2351440

素因数分解:

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

素因数の和:69

約数の個数: 160

約数和(自身を含む): 7499520

約数和(自身を除く): 5148080

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, 182, 190, 208, 221, 238, 247, 260, 266, 272, 280, 304, 323, 340, 364, 380, 442, 455, 476, 494, 520, 532, 560, 595, 646, 665, 680, 728, 760, 884, 910, 952, 988, 1040, 1064, 1105, 1190, 1235, 1292, 1330, 1360, 1456, 1520, 1547, 1615, 1729, 1768, 1820, 1904, 1976, 2128, 2210, 2261, 2380, 2470, 2584, 2660, 3094, 3230, 3458, 3536, 3640, 3952, 4199, 4420, 4522, 4760, 4940, 5168, 5320, 6188, 6460, 6916, 7280, 7735, 8398, 8645, 8840, 9044, 9520, 9880, 10640, 11305, 12376, 12920, 13832, 15470, 16796, 17290, 17680, 18088, 19760, 20995, 22610, 24752, 25840, 27664, 29393, 30940, 33592, 34580, 36176, 41990, 45220, 58786, 61880, 67184, 69160, 83980, 90440, 117572, 123760, 138320, 146965, 167960, 180880, 235144, 293930, 335920, 470288, 587860, 1175720, 2351440]

約数ペア:

[(1, 2351440), (2, 1175720), (4, 587860), (5, 470288), (7, 335920), (8, 293930), (10, 235144), (13, 180880), (14, 167960), (16, 146965), (17, 138320), (19, 123760), (20, 117572), (26, 90440), (28, 83980), (34, 69160), (35, 67184), (38, 61880), (40, 58786), (52, 45220), (56, 41990), (65, 36176), (68, 34580), (70, 33592), (76, 30940), (80, 29393), (85, 27664), (91, 25840), (95, 24752), (104, 22610), (112, 20995), (119, 19760), (130, 18088), (133, 17680), (136, 17290), (140, 16796), (152, 15470), (170, 13832), (182, 12920), (190, 12376), (208, 11305), (221, 10640), (238, 9880), (247, 9520), (260, 9044), (266, 8840), (272, 8645), (280, 8398), (304, 7735), (323, 7280), (340, 6916), (364, 6460), (380, 6188), (442, 5320), (455, 5168), (476, 4940), (494, 4760), (520, 4522), (532, 4420), (560, 4199), (595, 3952), (646, 3640), (665, 3536), (680, 3458), (728, 3230), (760, 3094), (884, 2660), (910, 2584), (952, 2470), (988, 2380), (1040, 2261), (1064, 2210), (1105, 2128), (1190, 1976), (1235, 1904), (1292, 1820), (1330, 1768), (1360, 1729), (1456, 1615), (1520, 1547)]