76811940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1097}}^1$

素因数の和:1501

約数の個数: 72

約数和(自身を含む): 233808120

約数和(自身を除く): 156996180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 778, 1097, 1167, 1556, 1945, 2194, 2334, 3291, 3501, 3890, 4388, 4668, 5485, 5835, 6582, 7002, 7780, 9873, 10970, 11670, 13164, 14004, 16455, 17505, 19746, 21940, 23340, 32910, 35010, 39492, 49365, 65820, 70020, 98730, 197460, 426733, 853466, 1280199, 1706932, 2133665, 2560398, 3840597, 4267330, 5120796, 6400995, 7681194, 8534660, 12801990, 15362388, 19202985, 25603980, 38405970, 76811940]

約数ペア:

[(1, 76811940), (2, 38405970), (3, 25603980), (4, 19202985), (5, 15362388), (6, 12801990), (9, 8534660), (10, 7681194), (12, 6400995), (15, 5120796), (18, 4267330), (20, 3840597), (30, 2560398), (36, 2133665), (45, 1706932), (60, 1280199), (90, 853466), (180, 426733), (389, 197460), (778, 98730), (1097, 70020), (1167, 65820), (1556, 49365), (1945, 39492), (2194, 35010), (2334, 32910), (3291, 23340), (3501, 21940), (3890, 19746), (4388, 17505), (4668, 16455), (5485, 14004), (5835, 13164), (6582, 11670), (7002, 10970), (7780, 9873)]