81301320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1091}}^1$

素因数の和:1137

約数の個数: 160

約数和(自身を含む): 285405120

約数和(自身を除く): 204103800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 276, 324, 345, 360, 405, 414, 460, 540, 552, 621, 648, 690, 810, 828, 920, 1035, 1080, 1091, 1242, 1380, 1620, 1656, 1863, 2070, 2182, 2484, 2760, 3105, 3240, 3273, 3726, 4140, 4364, 4968, 5455, 6210, 6546, 7452, 8280, 8728, 9315, 9819, 10910, 12420, 13092, 14904, 16365, 18630, 19638, 21820, 24840, 25093, 26184, 29457, 32730, 37260, 39276, 43640, 49095, 50186, 58914, 65460, 74520, 75279, 78552, 88371, 98190, 100372, 117828, 125465, 130920, 147285, 150558, 176742, 196380, 200744, 225837, 235656, 250930, 294570, 301116, 353484, 376395, 392760, 441855, 451674, 501860, 589140, 602232, 677511, 706968, 752790, 883710, 903348, 1003720, 1129185, 1178280, 1355022, 1505580, 1767420, 1806696, 2032533, 2258370, 2710044, 3011160, 3387555, 3534840, 4065066, 4516740, 5420088, 6775110, 8130132, 9033480, 10162665, 13550220, 16260264, 20325330, 27100440, 40650660, 81301320]

約数ペア:

[(1, 81301320), (2, 40650660), (3, 27100440), (4, 20325330), (5, 16260264), (6, 13550220), (8, 10162665), (9, 9033480), (10, 8130132), (12, 6775110), (15, 5420088), (18, 4516740), (20, 4065066), (23, 3534840), (24, 3387555), (27, 3011160), (30, 2710044), (36, 2258370), (40, 2032533), (45, 1806696), (46, 1767420), (54, 1505580), (60, 1355022), (69, 1178280), (72, 1129185), (81, 1003720), (90, 903348), (92, 883710), (108, 752790), (115, 706968), (120, 677511), (135, 602232), (138, 589140), (162, 501860), (180, 451674), (184, 441855), (207, 392760), (216, 376395), (230, 353484), (270, 301116), (276, 294570), (324, 250930), (345, 235656), (360, 225837), (405, 200744), (414, 196380), (460, 176742), (540, 150558), (552, 147285), (621, 130920), (648, 125465), (690, 117828), (810, 100372), (828, 98190), (920, 88371), (1035, 78552), (1080, 75279), (1091, 74520), (1242, 65460), (1380, 58914), (1620, 50186), (1656, 49095), (1863, 43640), (2070, 39276), (2182, 37260), (2484, 32730), (2760, 29457), (3105, 26184), (3240, 25093), (3273, 24840), (3726, 21820), (4140, 19638), (4364, 18630), (4968, 16365), (5455, 14904), (6210, 13092), (6546, 12420), (7452, 10910), (8280, 9819), (8728, 9315)]