66481380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2818

約数の個数: 144

約数和(自身を含む): 242686080

約数和(自身を除く): 176204700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 2777, 3420, 3990, 4788, 5554, 5985, 7980, 8331, 11108, 11970, 13885, 16662, 19439, 23940, 24993, 27770, 33324, 38878, 41655, 49986, 52763, 55540, 58317, 77756, 83310, 97195, 99972, 105526, 116634, 124965, 158289, 166620, 174951, 194390, 211052, 233268, 249930, 263815, 291585, 316578, 349902, 369341, 388780, 474867, 499860, 527630, 583170, 633156, 699804, 738682, 791445, 874755, 949734, 1055260, 1108023, 1166340, 1477364, 1582890, 1749510, 1846705, 1899468, 2216046, 2374335, 3165780, 3324069, 3499020, 3693410, 4432092, 4748670, 5540115, 6648138, 7386820, 9497340, 11080230, 13296276, 16620345, 22160460, 33240690, 66481380]

約数ペア:

[(1, 66481380), (2, 33240690), (3, 22160460), (4, 16620345), (5, 13296276), (6, 11080230), (7, 9497340), (9, 7386820), (10, 6648138), (12, 5540115), (14, 4748670), (15, 4432092), (18, 3693410), (19, 3499020), (20, 3324069), (21, 3165780), (28, 2374335), (30, 2216046), (35, 1899468), (36, 1846705), (38, 1749510), (42, 1582890), (45, 1477364), (57, 1166340), (60, 1108023), (63, 1055260), (70, 949734), (76, 874755), (84, 791445), (90, 738682), (95, 699804), (105, 633156), (114, 583170), (126, 527630), (133, 499860), (140, 474867), (171, 388780), (180, 369341), (190, 349902), (210, 316578), (228, 291585), (252, 263815), (266, 249930), (285, 233268), (315, 211052), (342, 194390), (380, 174951), (399, 166620), (420, 158289), (532, 124965), (570, 116634), (630, 105526), (665, 99972), (684, 97195), (798, 83310), (855, 77756), (1140, 58317), (1197, 55540), (1260, 52763), (1330, 49986), (1596, 41655), (1710, 38878), (1995, 33324), (2394, 27770), (2660, 24993), (2777, 23940), (3420, 19439), (3990, 16662), (4788, 13885), (5554, 11970), (5985, 11108), (7980, 8331)]