420907760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 320

約数和(自身を含む): 1349913600

約数和(自身を除く): 929005840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 19, 20, 26, 28, 34, 35, 38, 40, 52, 56, 65, 68, 70, 76, 80, 85, 91, 95, 104, 112, 119, 130, 133, 136, 140, 152, 170, 179, 182, 190, 208, 221, 238, 247, 260, 266, 272, 280, 304, 323, 340, 358, 364, 380, 442, 455, 476, 494, 520, 532, 560, 595, 646, 665, 680, 716, 728, 760, 884, 895, 910, 952, 988, 1040, 1064, 1105, 1190, 1235, 1253, 1292, 1330, 1360, 1432, 1456, 1520, 1547, 1615, 1729, 1768, 1790, 1820, 1904, 1976, 2128, 2210, 2261, 2327, 2380, 2470, 2506, 2584, 2660, 2864, 3043, 3094, 3230, 3401, 3458, 3536, 3580, 3640, 3952, 4199, 4420, 4522, 4654, 4760, 4940, 5012, 5168, 5320, 6086, 6188, 6265, 6460, 6802, 6916, 7160, 7280, 7735, 8398, 8645, 8840, 9044, 9308, 9520, 9880, 10024, 10640, 11305, 11635, 12172, 12376, 12530, 12920, 13604, 13832, 14320, 15215, 15470, 16289, 16796, 17005, 17290, 17680, 18088, 18616, 19760, 20048, 20995, 21301, 22610, 23270, 23807, 24344, 24752, 25060, 25840, 27208, 27664, 29393, 30430, 30940, 32578, 33592, 34010, 34580, 36176, 37232, 39559, 41990, 42602, 44213, 45220, 46540, 47614, 48688, 50120, 54416, 57817, 58786, 60860, 61880, 65156, 67184, 68020, 69160, 79118, 81445, 83980, 85204, 88426, 90440, 93080, 95228, 100240, 106505, 115634, 117572, 119035, 121720, 123760, 130312, 136040, 138320, 146965, 158236, 162890, 167960, 170408, 176852, 180880, 186160, 190456, 197795, 213010, 221065, 231268, 235144, 238070, 243440, 260624, 272080, 276913, 289085, 293930, 309491, 316472, 325780, 335920, 340816, 353704, 380912, 395590, 404719, 426020, 442130, 462536, 470288, 476140, 553826, 578170, 587860, 618982, 632944, 651560, 707408, 751621, 791180, 809438, 852040, 884260, 925072, 952280, 1107652, 1156340, 1175720, 1237964, 1303120, 1384565, 1503242, 1547455, 1582360, 1618876, 1704080, 1768520, 1904560, 2023595, 2215304, 2312680, 2351440, 2475928, 2769130, 3006484, 3094910, 3164720, 3237752, 3537040, 3758105, 4047190, 4430608, 4625360, 4951856, 5261347, 5538260, 6012968, 6189820, 6475504, 7516210, 8094380, 10522694, 11076520, 12025936, 12379640, 15032420, 16188760, 21045388, 22153040, 24759280, 26306735, 30064840, 32377520, 42090776, 52613470, 60129680, 84181552, 105226940, 210453880, 420907760]

約数ペア:

[(1, 420907760), (2, 210453880), (4, 105226940), (5, 84181552), (7, 60129680), (8, 52613470), (10, 42090776), (13, 32377520), (14, 30064840), (16, 26306735), (17, 24759280), (19, 22153040), (20, 21045388), (26, 16188760), (28, 15032420), (34, 12379640), (35, 12025936), (38, 11076520), (40, 10522694), (52, 8094380), (56, 7516210), (65, 6475504), (68, 6189820), (70, 6012968), (76, 5538260), (80, 5261347), (85, 4951856), (91, 4625360), (95, 4430608), (104, 4047190), (112, 3758105), (119, 3537040), (130, 3237752), (133, 3164720), (136, 3094910), (140, 3006484), (152, 2769130), (170, 2475928), (179, 2351440), (182, 2312680), (190, 2215304), (208, 2023595), (221, 1904560), (238, 1768520), (247, 1704080), (260, 1618876), (266, 1582360), (272, 1547455), (280, 1503242), (304, 1384565), (323, 1303120), (340, 1237964), (358, 1175720), (364, 1156340), (380, 1107652), (442, 952280), (455, 925072), (476, 884260), (494, 852040), (520, 809438), (532, 791180), (560, 751621), (595, 707408), (646, 651560), (665, 632944), (680, 618982), (716, 587860), (728, 578170), (760, 553826), (884, 476140), (895, 470288), (910, 462536), (952, 442130), (988, 426020), (1040, 404719), (1064, 395590), (1105, 380912), (1190, 353704), (1235, 340816), (1253, 335920), (1292, 325780), (1330, 316472), (1360, 309491), (1432, 293930), (1456, 289085), (1520, 276913), (1547, 272080), (1615, 260624), (1729, 243440), (1768, 238070), (1790, 235144), (1820, 231268), (1904, 221065), (1976, 213010), (2128, 197795), (2210, 190456), (2261, 186160), (2327, 180880), (2380, 176852), (2470, 170408), (2506, 167960), (2584, 162890), (2660, 158236), (2864, 146965), (3043, 138320), (3094, 136040), (3230, 130312), (3401, 123760), (3458, 121720), (3536, 119035), (3580, 117572), (3640, 115634), (3952, 106505), (4199, 100240), (4420, 95228), (4522, 93080), (4654, 90440), (4760, 88426), (4940, 85204), (5012, 83980), (5168, 81445), (5320, 79118), (6086, 69160), (6188, 68020), (6265, 67184), (6460, 65156), (6802, 61880), (6916, 60860), (7160, 58786), (7280, 57817), (7735, 54416), (8398, 50120), (8645, 48688), (8840, 47614), (9044, 46540), (9308, 45220), (9520, 44213), (9880, 42602), (10024, 41990), (10640, 39559), (11305, 37232), (11635, 36176), (12172, 34580), (12376, 34010), (12530, 33592), (12920, 32578), (13604, 30940), (13832, 30430), (14320, 29393), (15215, 27664), (15470, 27208), (16289, 25840), (16796, 25060), (17005, 24752), (17290, 24344), (17680, 23807), (18088, 23270), (18616, 22610), (19760, 21301), (20048, 20995)]