521567480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 256

約数和(自身を含む): 1534464000

約数和(自身を除く): 1012896520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 73, 76, 79, 85, 95, 119, 133, 136, 140, 146, 152, 158, 170, 190, 238, 266, 280, 292, 316, 323, 340, 365, 380, 395, 476, 511, 532, 553, 584, 595, 632, 646, 665, 680, 730, 760, 790, 952, 1022, 1064, 1106, 1190, 1241, 1292, 1330, 1343, 1387, 1460, 1501, 1580, 1615, 2044, 2212, 2261, 2380, 2482, 2555, 2584, 2660, 2686, 2765, 2774, 2920, 3002, 3160, 3230, 4088, 4424, 4522, 4760, 4964, 5110, 5320, 5372, 5530, 5548, 5767, 6004, 6205, 6460, 6715, 6935, 7505, 8687, 9044, 9401, 9709, 9928, 10220, 10507, 10744, 11060, 11096, 11305, 11534, 12008, 12410, 12920, 13430, 13870, 15010, 17374, 18088, 18802, 19418, 20440, 21014, 22120, 22610, 23068, 23579, 24820, 25517, 26860, 27740, 28835, 30020, 34748, 37604, 38836, 40369, 42028, 43435, 45220, 46136, 47005, 47158, 48545, 49640, 51034, 52535, 53720, 55480, 57670, 60040, 69496, 75208, 77672, 80738, 84056, 86870, 90440, 94010, 94316, 97090, 98039, 102068, 105070, 109573, 115340, 117895, 127585, 161476, 165053, 173740, 178619, 188020, 188632, 194180, 196078, 201845, 204136, 210140, 219146, 230680, 235790, 255170, 322952, 330106, 347480, 357238, 376040, 388360, 392156, 403690, 420280, 438292, 471580, 490195, 510340, 547865, 660212, 686273, 714476, 767011, 784312, 807380, 825265, 876584, 893095, 943160, 980390, 1020680, 1095730, 1320424, 1372546, 1428952, 1534022, 1614760, 1650530, 1786190, 1862741, 1960780, 2191460, 2745092, 3068044, 3301060, 3431365, 3572380, 3725482, 3835055, 3921560, 4382920, 5490184, 6136088, 6602120, 6862730, 7144760, 7450964, 7670110, 9313705, 13039187, 13725460, 14901928, 15340220, 18627410, 26078374, 27450920, 30680440, 37254820, 52156748, 65195935, 74509640, 104313496, 130391870, 260783740, 521567480]

約数ペア:

[(1, 521567480), (2, 260783740), (4, 130391870), (5, 104313496), (7, 74509640), (8, 65195935), (10, 52156748), (14, 37254820), (17, 30680440), (19, 27450920), (20, 26078374), (28, 18627410), (34, 15340220), (35, 14901928), (38, 13725460), (40, 13039187), (56, 9313705), (68, 7670110), (70, 7450964), (73, 7144760), (76, 6862730), (79, 6602120), (85, 6136088), (95, 5490184), (119, 4382920), (133, 3921560), (136, 3835055), (140, 3725482), (146, 3572380), (152, 3431365), (158, 3301060), (170, 3068044), (190, 2745092), (238, 2191460), (266, 1960780), (280, 1862741), (292, 1786190), (316, 1650530), (323, 1614760), (340, 1534022), (365, 1428952), (380, 1372546), (395, 1320424), (476, 1095730), (511, 1020680), (532, 980390), (553, 943160), (584, 893095), (595, 876584), (632, 825265), (646, 807380), (665, 784312), (680, 767011), (730, 714476), (760, 686273), (790, 660212), (952, 547865), (1022, 510340), (1064, 490195), (1106, 471580), (1190, 438292), (1241, 420280), (1292, 403690), (1330, 392156), (1343, 388360), (1387, 376040), (1460, 357238), (1501, 347480), (1580, 330106), (1615, 322952), (2044, 255170), (2212, 235790), (2261, 230680), (2380, 219146), (2482, 210140), (2555, 204136), (2584, 201845), (2660, 196078), (2686, 194180), (2765, 188632), (2774, 188020), (2920, 178619), (3002, 173740), (3160, 165053), (3230, 161476), (4088, 127585), (4424, 117895), (4522, 115340), (4760, 109573), (4964, 105070), (5110, 102068), (5320, 98039), (5372, 97090), (5530, 94316), (5548, 94010), (5767, 90440), (6004, 86870), (6205, 84056), (6460, 80738), (6715, 77672), (6935, 75208), (7505, 69496), (8687, 60040), (9044, 57670), (9401, 55480), (9709, 53720), (9928, 52535), (10220, 51034), (10507, 49640), (10744, 48545), (11060, 47158), (11096, 47005), (11305, 46136), (11534, 45220), (12008, 43435), (12410, 42028), (12920, 40369), (13430, 38836), (13870, 37604), (15010, 34748), (17374, 30020), (18088, 28835), (18802, 27740), (19418, 26860), (20440, 25517), (21014, 24820), (22120, 23579), (22610, 23068)]