18420120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2693}}^1$

素因数の和:2729

約数の個数: 96

約数和(自身を含む): 63039600

約数和(自身を除く): 44619480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2693, 3420, 5386, 6840, 8079, 10772, 13465, 16158, 21544, 24237, 26930, 32316, 40395, 48474, 51167, 53860, 64632, 80790, 96948, 102334, 107720, 121185, 153501, 161580, 193896, 204668, 242370, 255835, 307002, 323160, 409336, 460503, 484740, 511670, 614004, 767505, 921006, 969480, 1023340, 1228008, 1535010, 1842012, 2046680, 2302515, 3070020, 3684024, 4605030, 6140040, 9210060, 18420120]

約数ペア:

[(1, 18420120), (2, 9210060), (3, 6140040), (4, 4605030), (5, 3684024), (6, 3070020), (8, 2302515), (9, 2046680), (10, 1842012), (12, 1535010), (15, 1228008), (18, 1023340), (19, 969480), (20, 921006), (24, 767505), (30, 614004), (36, 511670), (38, 484740), (40, 460503), (45, 409336), (57, 323160), (60, 307002), (72, 255835), (76, 242370), (90, 204668), (95, 193896), (114, 161580), (120, 153501), (152, 121185), (171, 107720), (180, 102334), (190, 96948), (228, 80790), (285, 64632), (342, 53860), (360, 51167), (380, 48474), (456, 40395), (570, 32316), (684, 26930), (760, 24237), (855, 21544), (1140, 16158), (1368, 13465), (1710, 10772), (2280, 8079), (2693, 6840), (3420, 5386)]