18028320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 60201792

約数和(自身を除く): 42173472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 71, 80, 92, 96, 115, 120, 138, 142, 160, 184, 213, 230, 240, 276, 284, 345, 355, 368, 426, 460, 480, 529, 552, 568, 690, 710, 736, 852, 920, 1058, 1065, 1104, 1136, 1380, 1420, 1587, 1633, 1704, 1840, 2116, 2130, 2208, 2272, 2645, 2760, 2840, 3174, 3266, 3408, 3680, 4232, 4260, 4899, 5290, 5520, 5680, 6348, 6532, 6816, 7935, 8165, 8464, 8520, 9798, 10580, 11040, 11360, 12696, 13064, 15870, 16330, 16928, 17040, 19596, 21160, 24495, 25392, 26128, 31740, 32660, 34080, 37559, 39192, 42320, 48990, 50784, 52256, 63480, 65320, 75118, 78384, 84640, 97980, 112677, 126960, 130640, 150236, 156768, 187795, 195960, 225354, 253920, 261280, 300472, 375590, 391920, 450708, 563385, 600944, 751180, 783840, 901416, 1126770, 1201888, 1502360, 1802832, 2253540, 3004720, 3605664, 4507080, 6009440, 9014160, 18028320]

約数ペア:

[(1, 18028320), (2, 9014160), (3, 6009440), (4, 4507080), (5, 3605664), (6, 3004720), (8, 2253540), (10, 1802832), (12, 1502360), (15, 1201888), (16, 1126770), (20, 901416), (23, 783840), (24, 751180), (30, 600944), (32, 563385), (40, 450708), (46, 391920), (48, 375590), (60, 300472), (69, 261280), (71, 253920), (80, 225354), (92, 195960), (96, 187795), (115, 156768), (120, 150236), (138, 130640), (142, 126960), (160, 112677), (184, 97980), (213, 84640), (230, 78384), (240, 75118), (276, 65320), (284, 63480), (345, 52256), (355, 50784), (368, 48990), (426, 42320), (460, 39192), (480, 37559), (529, 34080), (552, 32660), (568, 31740), (690, 26128), (710, 25392), (736, 24495), (852, 21160), (920, 19596), (1058, 17040), (1065, 16928), (1104, 16330), (1136, 15870), (1380, 13064), (1420, 12696), (1587, 11360), (1633, 11040), (1704, 10580), (1840, 9798), (2116, 8520), (2130, 8464), (2208, 8165), (2272, 7935), (2645, 6816), (2760, 6532), (2840, 6348), (3174, 5680), (3266, 5520), (3408, 5290), (3680, 4899), (4232, 4260)]