721344540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{15199}}^1$

素因数の和:15331

約数の個数: 96

約数和(自身を含む): 2328883200

約数和(自身を除く): 1607538660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 452, 565, 678, 791, 1130, 1356, 1582, 1695, 2260, 2373, 3164, 3390, 3955, 4746, 6780, 7910, 9492, 11865, 15199, 15820, 23730, 30398, 45597, 47460, 60796, 75995, 91194, 106393, 151990, 182388, 212786, 227985, 303980, 319179, 425572, 455970, 531965, 638358, 911940, 1063930, 1276716, 1595895, 1717487, 2127860, 3191790, 3434974, 5152461, 6383580, 6869948, 8587435, 10304922, 12022409, 17174870, 20609844, 24044818, 25762305, 34349740, 36067227, 48089636, 51524610, 60112045, 72134454, 103049220, 120224090, 144268908, 180336135, 240448180, 360672270, 721344540]

約数ペア:

[(1, 721344540), (2, 360672270), (3, 240448180), (4, 180336135), (5, 144268908), (6, 120224090), (7, 103049220), (10, 72134454), (12, 60112045), (14, 51524610), (15, 48089636), (20, 36067227), (21, 34349740), (28, 25762305), (30, 24044818), (35, 20609844), (42, 17174870), (60, 12022409), (70, 10304922), (84, 8587435), (105, 6869948), (113, 6383580), (140, 5152461), (210, 3434974), (226, 3191790), (339, 2127860), (420, 1717487), (452, 1595895), (565, 1276716), (678, 1063930), (791, 911940), (1130, 638358), (1356, 531965), (1582, 455970), (1695, 425572), (2260, 319179), (2373, 303980), (3164, 227985), (3390, 212786), (3955, 182388), (4746, 151990), (6780, 106393), (7910, 91194), (9492, 75995), (11865, 60796), (15199, 47460), (15820, 45597), (23730, 30398)]