31717920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 288

約数和(自身を含む): 119532672

約数和(自身を除く): 87814752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 23, 24, 26, 30, 32, 34, 39, 40, 46, 48, 51, 52, 60, 65, 68, 69, 78, 80, 85, 92, 96, 102, 104, 115, 120, 130, 136, 138, 156, 160, 169, 170, 184, 195, 204, 208, 221, 230, 240, 255, 260, 272, 276, 299, 312, 338, 340, 345, 368, 390, 391, 408, 416, 442, 460, 480, 507, 510, 520, 544, 552, 598, 624, 663, 676, 680, 690, 736, 780, 782, 816, 845, 884, 897, 920, 1014, 1020, 1040, 1104, 1105, 1173, 1196, 1248, 1326, 1352, 1360, 1380, 1495, 1560, 1564, 1632, 1690, 1768, 1794, 1840, 1955, 2028, 2040, 2080, 2208, 2210, 2346, 2392, 2535, 2652, 2704, 2720, 2760, 2873, 2990, 3120, 3128, 3315, 3380, 3536, 3588, 3680, 3887, 3910, 4056, 4080, 4420, 4485, 4692, 4784, 5070, 5083, 5304, 5408, 5520, 5746, 5865, 5980, 6240, 6256, 6630, 6760, 7072, 7176, 7774, 7820, 8112, 8160, 8619, 8840, 8970, 9384, 9568, 10140, 10166, 10608, 11040, 11492, 11661, 11730, 11960, 12512, 13260, 13520, 14352, 14365, 15249, 15548, 15640, 16224, 17238, 17680, 17940, 18768, 19435, 20280, 20332, 21216, 22984, 23322, 23460, 23920, 25415, 26520, 27040, 28704, 28730, 30498, 31096, 31280, 34476, 35360, 35880, 37536, 38870, 40560, 40664, 43095, 45968, 46644, 46920, 47840, 50830, 53040, 57460, 58305, 60996, 62192, 62560, 66079, 68952, 71760, 76245, 77740, 81120, 81328, 86190, 91936, 93288, 93840, 101660, 106080, 114920, 116610, 121992, 124384, 132158, 137904, 143520, 152490, 155480, 162656, 172380, 186576, 187680, 198237, 203320, 229840, 233220, 243984, 264316, 275808, 304980, 310960, 330395, 344760, 373152, 396474, 406640, 459680, 466440, 487968, 528632, 609960, 621920, 660790, 689520, 792948, 813280, 932880, 991185, 1057264, 1219920, 1321580, 1379040, 1585896, 1865760, 1982370, 2114528, 2439840, 2643160, 3171792, 3964740, 5286320, 6343584, 7929480, 10572640, 15858960, 31717920]

約数ペア:

[(1, 31717920), (2, 15858960), (3, 10572640), (4, 7929480), (5, 6343584), (6, 5286320), (8, 3964740), (10, 3171792), (12, 2643160), (13, 2439840), (15, 2114528), (16, 1982370), (17, 1865760), (20, 1585896), (23, 1379040), (24, 1321580), (26, 1219920), (30, 1057264), (32, 991185), (34, 932880), (39, 813280), (40, 792948), (46, 689520), (48, 660790), (51, 621920), (52, 609960), (60, 528632), (65, 487968), (68, 466440), (69, 459680), (78, 406640), (80, 396474), (85, 373152), (92, 344760), (96, 330395), (102, 310960), (104, 304980), (115, 275808), (120, 264316), (130, 243984), (136, 233220), (138, 229840), (156, 203320), (160, 198237), (169, 187680), (170, 186576), (184, 172380), (195, 162656), (204, 155480), (208, 152490), (221, 143520), (230, 137904), (240, 132158), (255, 124384), (260, 121992), (272, 116610), (276, 114920), (299, 106080), (312, 101660), (338, 93840), (340, 93288), (345, 91936), (368, 86190), (390, 81328), (391, 81120), (408, 77740), (416, 76245), (442, 71760), (460, 68952), (480, 66079), (507, 62560), (510, 62192), (520, 60996), (544, 58305), (552, 57460), (598, 53040), (624, 50830), (663, 47840), (676, 46920), (680, 46644), (690, 45968), (736, 43095), (780, 40664), (782, 40560), (816, 38870), (845, 37536), (884, 35880), (897, 35360), (920, 34476), (1014, 31280), (1020, 31096), (1040, 30498), (1104, 28730), (1105, 28704), (1173, 27040), (1196, 26520), (1248, 25415), (1326, 23920), (1352, 23460), (1360, 23322), (1380, 22984), (1495, 21216), (1560, 20332), (1564, 20280), (1632, 19435), (1690, 18768), (1768, 17940), (1794, 17680), (1840, 17238), (1955, 16224), (2028, 15640), (2040, 15548), (2080, 15249), (2208, 14365), (2210, 14352), (2346, 13520), (2392, 13260), (2535, 12512), (2652, 11960), (2704, 11730), (2720, 11661), (2760, 11492), (2873, 11040), (2990, 10608), (3120, 10166), (3128, 10140), (3315, 9568), (3380, 9384), (3536, 8970), (3588, 8840), (3680, 8619), (3887, 8160), (3910, 8112), (4056, 7820), (4080, 7774), (4420, 7176), (4485, 7072), (4692, 6760), (4784, 6630), (5070, 6256), (5083, 6240), (5304, 5980), (5408, 5865), (5520, 5746)]