78372840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7177}}^1$

素因数の和:7211

約数の個数: 128

約数和(自身を含む): 289416960

約数和(自身を除く): 211044120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 7177, 10920, 14354, 21531, 28708, 35885, 43062, 50239, 57416, 71770, 86124, 93301, 100478, 107655, 143540, 150717, 172248, 186602, 200956, 215310, 251195, 279903, 287080, 301434, 373204, 401912, 430620, 466505, 502390, 559806, 602868, 653107, 746408, 753585, 861240, 933010, 1004780, 1119612, 1205736, 1306214, 1399515, 1507170, 1866020, 1959321, 2009560, 2239224, 2612428, 2799030, 3014340, 3265535, 3732040, 3918642, 5224856, 5598060, 6028680, 6531070, 7837284, 9796605, 11196120, 13062140, 15674568, 19593210, 26124280, 39186420, 78372840]

約数ペア:

[(1, 78372840), (2, 39186420), (3, 26124280), (4, 19593210), (5, 15674568), (6, 13062140), (7, 11196120), (8, 9796605), (10, 7837284), (12, 6531070), (13, 6028680), (14, 5598060), (15, 5224856), (20, 3918642), (21, 3732040), (24, 3265535), (26, 3014340), (28, 2799030), (30, 2612428), (35, 2239224), (39, 2009560), (40, 1959321), (42, 1866020), (52, 1507170), (56, 1399515), (60, 1306214), (65, 1205736), (70, 1119612), (78, 1004780), (84, 933010), (91, 861240), (104, 753585), (105, 746408), (120, 653107), (130, 602868), (140, 559806), (156, 502390), (168, 466505), (182, 430620), (195, 401912), (210, 373204), (260, 301434), (273, 287080), (280, 279903), (312, 251195), (364, 215310), (390, 200956), (420, 186602), (455, 172248), (520, 150717), (546, 143540), (728, 107655), (780, 100478), (840, 93301), (910, 86124), (1092, 71770), (1365, 57416), (1560, 50239), (1820, 43062), (2184, 35885), (2730, 28708), (3640, 21531), (5460, 14354), (7177, 10920)]