81555930

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 227747520

約数和(自身を除く): 146191590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 529, 571, 621, 690, 1035, 1058, 1142, 1242, 1587, 1713, 2070, 2645, 2855, 3105, 3174, 3426, 4761, 5139, 5290, 5710, 6210, 7935, 8565, 9522, 10278, 13133, 14283, 15417, 15870, 17130, 23805, 25695, 26266, 28566, 30834, 39399, 47610, 51390, 65665, 71415, 77085, 78798, 118197, 131330, 142830, 154170, 196995, 236394, 302059, 354591, 393990, 590985, 604118, 709182, 906177, 1181970, 1510295, 1772955, 1812354, 2718531, 3020590, 3545910, 4530885, 5437062, 8155593, 9061770, 13592655, 16311186, 27185310, 40777965, 81555930]

約数ペア:

[(1, 81555930), (2, 40777965), (3, 27185310), (5, 16311186), (6, 13592655), (9, 9061770), (10, 8155593), (15, 5437062), (18, 4530885), (23, 3545910), (27, 3020590), (30, 2718531), (45, 1812354), (46, 1772955), (54, 1510295), (69, 1181970), (90, 906177), (115, 709182), (135, 604118), (138, 590985), (207, 393990), (230, 354591), (270, 302059), (345, 236394), (414, 196995), (529, 154170), (571, 142830), (621, 131330), (690, 118197), (1035, 78798), (1058, 77085), (1142, 71415), (1242, 65665), (1587, 51390), (1713, 47610), (2070, 39399), (2645, 30834), (2855, 28566), (3105, 26266), (3174, 25695), (3426, 23805), (4761, 17130), (5139, 15870), (5290, 15417), (5710, 14283), (6210, 13133), (7935, 10278), (8565, 9522)]