1666203480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81199}}^1$

素因数の和:81238

約数の個数: 128

約数和(自身を含む): 5846400000

約数和(自身を除く): 4180196520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 81199, 162398, 243597, 324796, 405995, 487194, 649592, 730791, 811990, 974388, 1217985, 1461582, 1542781, 1623980, 1948776, 2192373, 2435970, 2923164, 3085562, 3247960, 3653955, 4384746, 4628343, 4871940, 5846328, 6171124, 7307910, 7713905, 8769492, 9256686, 9743880, 10961865, 12342248, 13885029, 14615820, 15427810, 17538984, 18513372, 21923730, 23141715, 27770058, 29231640, 30855620, 37026744, 41655087, 43847460, 46283430, 55540116, 61711240, 69425145, 83310174, 87694920, 92566860, 111080232, 138850290, 166620348, 185133720, 208275435, 277700580, 333240696, 416550870, 555401160, 833101740, 1666203480]

約数ペア:

[(1, 1666203480), (2, 833101740), (3, 555401160), (4, 416550870), (5, 333240696), (6, 277700580), (8, 208275435), (9, 185133720), (10, 166620348), (12, 138850290), (15, 111080232), (18, 92566860), (19, 87694920), (20, 83310174), (24, 69425145), (27, 61711240), (30, 55540116), (36, 46283430), (38, 43847460), (40, 41655087), (45, 37026744), (54, 30855620), (57, 29231640), (60, 27770058), (72, 23141715), (76, 21923730), (90, 18513372), (95, 17538984), (108, 15427810), (114, 14615820), (120, 13885029), (135, 12342248), (152, 10961865), (171, 9743880), (180, 9256686), (190, 8769492), (216, 7713905), (228, 7307910), (270, 6171124), (285, 5846328), (342, 4871940), (360, 4628343), (380, 4384746), (456, 3653955), (513, 3247960), (540, 3085562), (570, 2923164), (684, 2435970), (760, 2192373), (855, 1948776), (1026, 1623980), (1080, 1542781), (1140, 1461582), (1368, 1217985), (1710, 974388), (2052, 811990), (2280, 730791), (2565, 649592), (3420, 487194), (4104, 405995), (5130, 324796), (6840, 243597), (10260, 162398), (20520, 81199)]