90430020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 297198720

約数和(自身を除く): 206768700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 324, 345, 405, 414, 460, 486, 540, 621, 690, 809, 810, 828, 972, 1035, 1215, 1242, 1380, 1618, 1620, 1863, 2070, 2427, 2430, 2484, 3105, 3236, 3726, 4045, 4140, 4854, 4860, 5589, 6210, 7281, 7452, 8090, 9315, 9708, 11178, 12135, 12420, 14562, 16180, 18607, 18630, 21843, 22356, 24270, 27945, 29124, 36405, 37214, 37260, 43686, 48540, 55821, 55890, 65529, 72810, 74428, 87372, 93035, 109215, 111642, 111780, 131058, 145620, 167463, 186070, 196587, 218430, 223284, 262116, 279105, 327645, 334926, 372140, 393174, 436860, 502389, 558210, 655290, 669852, 786348, 837315, 982935, 1004778, 1116420, 1310580, 1507167, 1674630, 1965870, 2009556, 2511945, 3014334, 3349260, 3931740, 4521501, 5023890, 6028668, 7535835, 9043002, 10047780, 15071670, 18086004, 22607505, 30143340, 45215010, 90430020]

約数ペア:

[(1, 90430020), (2, 45215010), (3, 30143340), (4, 22607505), (5, 18086004), (6, 15071670), (9, 10047780), (10, 9043002), (12, 7535835), (15, 6028668), (18, 5023890), (20, 4521501), (23, 3931740), (27, 3349260), (30, 3014334), (36, 2511945), (45, 2009556), (46, 1965870), (54, 1674630), (60, 1507167), (69, 1310580), (81, 1116420), (90, 1004778), (92, 982935), (108, 837315), (115, 786348), (135, 669852), (138, 655290), (162, 558210), (180, 502389), (207, 436860), (230, 393174), (243, 372140), (270, 334926), (276, 327645), (324, 279105), (345, 262116), (405, 223284), (414, 218430), (460, 196587), (486, 186070), (540, 167463), (621, 145620), (690, 131058), (809, 111780), (810, 111642), (828, 109215), (972, 93035), (1035, 87372), (1215, 74428), (1242, 72810), (1380, 65529), (1618, 55890), (1620, 55821), (1863, 48540), (2070, 43686), (2427, 37260), (2430, 37214), (2484, 36405), (3105, 29124), (3236, 27945), (3726, 24270), (4045, 22356), (4140, 21843), (4854, 18630), (4860, 18607), (5589, 16180), (6210, 14562), (7281, 12420), (7452, 12135), (8090, 11178), (9315, 9708)]