72574740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 253693440

約数和(自身を除く): 181118700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 239, 241, 252, 315, 420, 478, 482, 630, 717, 723, 956, 964, 1195, 1205, 1260, 1434, 1446, 1673, 1687, 2151, 2169, 2390, 2410, 2868, 2892, 3346, 3374, 3585, 3615, 4302, 4338, 4780, 4820, 5019, 5061, 6692, 6748, 7170, 7230, 8365, 8435, 8604, 8676, 10038, 10122, 10755, 10845, 14340, 14460, 15057, 15183, 16730, 16870, 20076, 20244, 21510, 21690, 25095, 25305, 30114, 30366, 33460, 33740, 43020, 43380, 50190, 50610, 57599, 60228, 60732, 75285, 75915, 100380, 101220, 115198, 150570, 151830, 172797, 230396, 287995, 301140, 303660, 345594, 403193, 518391, 575990, 691188, 806386, 863985, 1036782, 1151980, 1209579, 1612772, 1727970, 2015965, 2073564, 2419158, 2591955, 3455940, 3628737, 4031930, 4838316, 5183910, 6047895, 7257474, 8063860, 10367820, 12095790, 14514948, 18143685, 24191580, 36287370, 72574740]

約数ペア:

[(1, 72574740), (2, 36287370), (3, 24191580), (4, 18143685), (5, 14514948), (6, 12095790), (7, 10367820), (9, 8063860), (10, 7257474), (12, 6047895), (14, 5183910), (15, 4838316), (18, 4031930), (20, 3628737), (21, 3455940), (28, 2591955), (30, 2419158), (35, 2073564), (36, 2015965), (42, 1727970), (45, 1612772), (60, 1209579), (63, 1151980), (70, 1036782), (84, 863985), (90, 806386), (105, 691188), (126, 575990), (140, 518391), (180, 403193), (210, 345594), (239, 303660), (241, 301140), (252, 287995), (315, 230396), (420, 172797), (478, 151830), (482, 150570), (630, 115198), (717, 101220), (723, 100380), (956, 75915), (964, 75285), (1195, 60732), (1205, 60228), (1260, 57599), (1434, 50610), (1446, 50190), (1673, 43380), (1687, 43020), (2151, 33740), (2169, 33460), (2390, 30366), (2410, 30114), (2868, 25305), (2892, 25095), (3346, 21690), (3374, 21510), (3585, 20244), (3615, 20076), (4302, 16870), (4338, 16730), (4780, 15183), (4820, 15057), (5019, 14460), (5061, 14340), (6692, 10845), (6748, 10755), (7170, 10122), (7230, 10038), (8365, 8676), (8435, 8604)]