18262920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 43426680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 509, 520, 552, 598, 690, 780, 897, 920, 1018, 1196, 1380, 1495, 1527, 1560, 1794, 2036, 2392, 2545, 2760, 2990, 3054, 3588, 4072, 4485, 5090, 5980, 6108, 6617, 7176, 7635, 8970, 10180, 11707, 11960, 12216, 13234, 15270, 17940, 19851, 20360, 23414, 26468, 30540, 33085, 35121, 35880, 39702, 46828, 52936, 58535, 61080, 66170, 70242, 79404, 93656, 99255, 117070, 132340, 140484, 152191, 158808, 175605, 198510, 234140, 264680, 280968, 304382, 351210, 397020, 456573, 468280, 608764, 702420, 760955, 794040, 913146, 1217528, 1404840, 1521910, 1826292, 2282865, 3043820, 3652584, 4565730, 6087640, 9131460, 18262920]

約数ペア:

[(1, 18262920), (2, 9131460), (3, 6087640), (4, 4565730), (5, 3652584), (6, 3043820), (8, 2282865), (10, 1826292), (12, 1521910), (13, 1404840), (15, 1217528), (20, 913146), (23, 794040), (24, 760955), (26, 702420), (30, 608764), (39, 468280), (40, 456573), (46, 397020), (52, 351210), (60, 304382), (65, 280968), (69, 264680), (78, 234140), (92, 198510), (104, 175605), (115, 158808), (120, 152191), (130, 140484), (138, 132340), (156, 117070), (184, 99255), (195, 93656), (230, 79404), (260, 70242), (276, 66170), (299, 61080), (312, 58535), (345, 52936), (390, 46828), (460, 39702), (509, 35880), (520, 35121), (552, 33085), (598, 30540), (690, 26468), (780, 23414), (897, 20360), (920, 19851), (1018, 17940), (1196, 15270), (1380, 13234), (1495, 12216), (1527, 11960), (1560, 11707), (1794, 10180), (2036, 8970), (2392, 7635), (2545, 7176), (2760, 6617), (2990, 6108), (3054, 5980), (3588, 5090), (4072, 4485)]