203790120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1571}}^1$

素因数の和:1655

約数の個数: 128

約数和(自身を含む): 651939840

約数和(自身を除く): 448149720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 47, 60, 69, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 276, 282, 345, 376, 460, 470, 552, 564, 690, 705, 920, 940, 1081, 1128, 1380, 1410, 1571, 1880, 2162, 2760, 2820, 3142, 3243, 4324, 4713, 5405, 5640, 6284, 6486, 7855, 8648, 9426, 10810, 12568, 12972, 15710, 16215, 18852, 21620, 23565, 25944, 31420, 32430, 36133, 37704, 43240, 47130, 62840, 64860, 72266, 73837, 94260, 108399, 129720, 144532, 147674, 180665, 188520, 216798, 221511, 289064, 295348, 361330, 369185, 433596, 443022, 541995, 590696, 722660, 738370, 867192, 886044, 1083990, 1107555, 1445320, 1476740, 1698251, 1772088, 2167980, 2215110, 2953480, 3396502, 4335960, 4430220, 5094753, 6793004, 8491255, 8860440, 10189506, 13586008, 16982510, 20379012, 25473765, 33965020, 40758024, 50947530, 67930040, 101895060, 203790120]

約数ペア:

[(1, 203790120), (2, 101895060), (3, 67930040), (4, 50947530), (5, 40758024), (6, 33965020), (8, 25473765), (10, 20379012), (12, 16982510), (15, 13586008), (20, 10189506), (23, 8860440), (24, 8491255), (30, 6793004), (40, 5094753), (46, 4430220), (47, 4335960), (60, 3396502), (69, 2953480), (92, 2215110), (94, 2167980), (115, 1772088), (120, 1698251), (138, 1476740), (141, 1445320), (184, 1107555), (188, 1083990), (230, 886044), (235, 867192), (276, 738370), (282, 722660), (345, 590696), (376, 541995), (460, 443022), (470, 433596), (552, 369185), (564, 361330), (690, 295348), (705, 289064), (920, 221511), (940, 216798), (1081, 188520), (1128, 180665), (1380, 147674), (1410, 144532), (1571, 129720), (1880, 108399), (2162, 94260), (2760, 73837), (2820, 72266), (3142, 64860), (3243, 62840), (4324, 47130), (4713, 43240), (5405, 37704), (5640, 36133), (6284, 32430), (6486, 31420), (7855, 25944), (8648, 23565), (9426, 21620), (10810, 18852), (12568, 16215), (12972, 15710)]