128194640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:349

約数の個数: 160

約数和(自身を含む): 366405120

約数和(自身を除く): 238210480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 37, 40, 46, 56, 70, 74, 80, 92, 112, 115, 140, 148, 161, 184, 185, 230, 259, 269, 280, 296, 322, 368, 370, 460, 518, 538, 560, 592, 644, 740, 805, 851, 920, 1036, 1076, 1288, 1295, 1345, 1480, 1610, 1702, 1840, 1883, 2072, 2152, 2576, 2590, 2690, 2960, 3220, 3404, 3766, 4144, 4255, 4304, 5180, 5380, 5957, 6187, 6440, 6808, 7532, 8510, 9415, 9953, 10360, 10760, 11914, 12374, 12880, 13616, 15064, 17020, 18830, 19906, 20720, 21520, 23828, 24748, 29785, 30128, 30935, 34040, 37660, 39812, 43309, 47656, 49496, 49765, 59570, 61870, 68080, 69671, 75320, 79624, 86618, 95312, 98992, 99530, 119140, 123740, 139342, 150640, 159248, 173236, 199060, 216545, 228919, 238280, 247480, 278684, 346472, 348355, 398120, 433090, 457838, 476560, 494960, 557368, 692944, 696710, 796240, 866180, 915676, 1114736, 1144595, 1393420, 1602433, 1732360, 1831352, 2289190, 2786840, 3204866, 3464720, 3662704, 4578380, 5573680, 6409732, 8012165, 9156760, 12819464, 16024330, 18313520, 25638928, 32048660, 64097320, 128194640]

約数ペア:

[(1, 128194640), (2, 64097320), (4, 32048660), (5, 25638928), (7, 18313520), (8, 16024330), (10, 12819464), (14, 9156760), (16, 8012165), (20, 6409732), (23, 5573680), (28, 4578380), (35, 3662704), (37, 3464720), (40, 3204866), (46, 2786840), (56, 2289190), (70, 1831352), (74, 1732360), (80, 1602433), (92, 1393420), (112, 1144595), (115, 1114736), (140, 915676), (148, 866180), (161, 796240), (184, 696710), (185, 692944), (230, 557368), (259, 494960), (269, 476560), (280, 457838), (296, 433090), (322, 398120), (368, 348355), (370, 346472), (460, 278684), (518, 247480), (538, 238280), (560, 228919), (592, 216545), (644, 199060), (740, 173236), (805, 159248), (851, 150640), (920, 139342), (1036, 123740), (1076, 119140), (1288, 99530), (1295, 98992), (1345, 95312), (1480, 86618), (1610, 79624), (1702, 75320), (1840, 69671), (1883, 68080), (2072, 61870), (2152, 59570), (2576, 49765), (2590, 49496), (2690, 47656), (2960, 43309), (3220, 39812), (3404, 37660), (3766, 34040), (4144, 30935), (4255, 30128), (4304, 29785), (5180, 24748), (5380, 23828), (5957, 21520), (6187, 20720), (6440, 19906), (6808, 18830), (7532, 17020), (8510, 15064), (9415, 13616), (9953, 12880), (10360, 12374), (10760, 11914)]