16655220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 38381580

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, 149, 162, 180, 207, 230, 243, 270, 276, 298, 324, 345, 405, 414, 447, 460, 486, 540, 596, 621, 690, 745, 810, 828, 894, 972, 1035, 1215, 1242, 1341, 1380, 1490, 1620, 1788, 1863, 2070, 2235, 2430, 2484, 2682, 2980, 3105, 3427, 3726, 4023, 4140, 4470, 4860, 5364, 5589, 6210, 6705, 6854, 7452, 8046, 8940, 9315, 10281, 11178, 12069, 12420, 13410, 13708, 16092, 17135, 18630, 20115, 20562, 22356, 24138, 26820, 27945, 30843, 34270, 36207, 37260, 40230, 41124, 48276, 51405, 55890, 60345, 61686, 68540, 72414, 80460, 92529, 102810, 111780, 120690, 123372, 144828, 154215, 181035, 185058, 205620, 241380, 277587, 308430, 362070, 370116, 462645, 555174, 616860, 724140, 832761, 925290, 1110348, 1387935, 1665522, 1850580, 2775870, 3331044, 4163805, 5551740, 8327610, 16655220]

約数ペア:

[(1, 16655220), (2, 8327610), (3, 5551740), (4, 4163805), (5, 3331044), (6, 2775870), (9, 1850580), (10, 1665522), (12, 1387935), (15, 1110348), (18, 925290), (20, 832761), (23, 724140), (27, 616860), (30, 555174), (36, 462645), (45, 370116), (46, 362070), (54, 308430), (60, 277587), (69, 241380), (81, 205620), (90, 185058), (92, 181035), (108, 154215), (115, 144828), (135, 123372), (138, 120690), (149, 111780), (162, 102810), (180, 92529), (207, 80460), (230, 72414), (243, 68540), (270, 61686), (276, 60345), (298, 55890), (324, 51405), (345, 48276), (405, 41124), (414, 40230), (447, 37260), (460, 36207), (486, 34270), (540, 30843), (596, 27945), (621, 26820), (690, 24138), (745, 22356), (810, 20562), (828, 20115), (894, 18630), (972, 17135), (1035, 16092), (1215, 13708), (1242, 13410), (1341, 12420), (1380, 12069), (1490, 11178), (1620, 10281), (1788, 9315), (1863, 8940), (2070, 8046), (2235, 7452), (2430, 6854), (2484, 6705), (2682, 6210), (2980, 5589), (3105, 5364), (3427, 4860), (3726, 4470), (4023, 4140)]