20175600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 240

約数和(自身を含む): 73066752

約数和(自身を除く): 52891152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 25, 30, 34, 40, 43, 46, 48, 50, 51, 60, 68, 69, 75, 80, 85, 86, 92, 100, 102, 115, 120, 129, 136, 138, 150, 170, 172, 184, 200, 204, 215, 230, 240, 255, 258, 272, 276, 300, 340, 344, 345, 368, 391, 400, 408, 425, 430, 460, 510, 516, 552, 575, 600, 645, 680, 688, 690, 731, 782, 816, 850, 860, 920, 989, 1020, 1032, 1075, 1104, 1150, 1173, 1200, 1275, 1290, 1360, 1380, 1462, 1564, 1700, 1720, 1725, 1840, 1955, 1978, 2040, 2064, 2150, 2193, 2300, 2346, 2550, 2580, 2760, 2924, 2967, 3128, 3225, 3400, 3440, 3450, 3655, 3910, 3956, 4080, 4300, 4386, 4600, 4692, 4945, 5100, 5160, 5520, 5848, 5865, 5934, 6256, 6450, 6800, 6900, 7310, 7820, 7912, 8600, 8772, 9200, 9384, 9775, 9890, 10200, 10320, 10965, 11696, 11730, 11868, 12900, 13800, 14620, 14835, 15640, 15824, 16813, 17200, 17544, 18275, 18768, 19550, 19780, 20400, 21930, 23460, 23736, 24725, 25800, 27600, 29240, 29325, 29670, 31280, 33626, 35088, 36550, 39100, 39560, 43860, 46920, 47472, 49450, 50439, 51600, 54825, 58480, 58650, 59340, 67252, 73100, 74175, 78200, 79120, 84065, 87720, 93840, 98900, 100878, 109650, 117300, 118680, 134504, 146200, 148350, 156400, 168130, 175440, 197800, 201756, 219300, 234600, 237360, 252195, 269008, 292400, 296700, 336260, 395600, 403512, 420325, 438600, 469200, 504390, 593400, 672520, 807024, 840650, 877200, 1008780, 1186800, 1260975, 1345040, 1681300, 2017560, 2521950, 3362600, 4035120, 5043900, 6725200, 10087800, 20175600]

約数ペア:

[(1, 20175600), (2, 10087800), (3, 6725200), (4, 5043900), (5, 4035120), (6, 3362600), (8, 2521950), (10, 2017560), (12, 1681300), (15, 1345040), (16, 1260975), (17, 1186800), (20, 1008780), (23, 877200), (24, 840650), (25, 807024), (30, 672520), (34, 593400), (40, 504390), (43, 469200), (46, 438600), (48, 420325), (50, 403512), (51, 395600), (60, 336260), (68, 296700), (69, 292400), (75, 269008), (80, 252195), (85, 237360), (86, 234600), (92, 219300), (100, 201756), (102, 197800), (115, 175440), (120, 168130), (129, 156400), (136, 148350), (138, 146200), (150, 134504), (170, 118680), (172, 117300), (184, 109650), (200, 100878), (204, 98900), (215, 93840), (230, 87720), (240, 84065), (255, 79120), (258, 78200), (272, 74175), (276, 73100), (300, 67252), (340, 59340), (344, 58650), (345, 58480), (368, 54825), (391, 51600), (400, 50439), (408, 49450), (425, 47472), (430, 46920), (460, 43860), (510, 39560), (516, 39100), (552, 36550), (575, 35088), (600, 33626), (645, 31280), (680, 29670), (688, 29325), (690, 29240), (731, 27600), (782, 25800), (816, 24725), (850, 23736), (860, 23460), (920, 21930), (989, 20400), (1020, 19780), (1032, 19550), (1075, 18768), (1104, 18275), (1150, 17544), (1173, 17200), (1200, 16813), (1275, 15824), (1290, 15640), (1360, 14835), (1380, 14620), (1462, 13800), (1564, 12900), (1700, 11868), (1720, 11730), (1725, 11696), (1840, 10965), (1955, 10320), (1978, 10200), (2040, 9890), (2064, 9775), (2150, 9384), (2193, 9200), (2300, 8772), (2346, 8600), (2550, 7912), (2580, 7820), (2760, 7310), (2924, 6900), (2967, 6800), (3128, 6450), (3225, 6256), (3400, 5934), (3440, 5865), (3450, 5848), (3655, 5520), (3910, 5160), (3956, 5100), (4080, 4945), (4300, 4692), (4386, 4600)]