398265660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18911}}^1$

素因数の和:18945

約数の個数: 120

約数和(自身を含む): 1345550976

約数和(自身を除く): 947285316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 10530, 18911, 21060, 37822, 56733, 75644, 94555, 113466, 170199, 189110, 226932, 245843, 283665, 340398, 378220, 491686, 510597, 567330, 680796, 737529, 850995, 983372, 1021194, 1134660, 1229215, 1475058, 1531791, 1701990, 2042388, 2212587, 2458430, 2552985, 2950116, 3063582, 3403980, 3687645, 4425174, 4916860, 5105970, 6127164, 6637761, 7375290, 7658955, 8850348, 10211940, 11062935, 13275522, 14750580, 15317910, 19913283, 22125870, 26551044, 30635820, 33188805, 39826566, 44251740, 66377610, 79653132, 99566415, 132755220, 199132830, 398265660]

約数ペア:

[(1, 398265660), (2, 199132830), (3, 132755220), (4, 99566415), (5, 79653132), (6, 66377610), (9, 44251740), (10, 39826566), (12, 33188805), (13, 30635820), (15, 26551044), (18, 22125870), (20, 19913283), (26, 15317910), (27, 14750580), (30, 13275522), (36, 11062935), (39, 10211940), (45, 8850348), (52, 7658955), (54, 7375290), (60, 6637761), (65, 6127164), (78, 5105970), (81, 4916860), (90, 4425174), (108, 3687645), (117, 3403980), (130, 3063582), (135, 2950116), (156, 2552985), (162, 2458430), (180, 2212587), (195, 2042388), (234, 1701990), (260, 1531791), (270, 1475058), (324, 1229215), (351, 1134660), (390, 1021194), (405, 983372), (468, 850995), (540, 737529), (585, 680796), (702, 567330), (780, 510597), (810, 491686), (1053, 378220), (1170, 340398), (1404, 283665), (1620, 245843), (1755, 226932), (2106, 189110), (2340, 170199), (3510, 113466), (4212, 94555), (5265, 75644), (7020, 56733), (10530, 37822), (18911, 21060)]