255705840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1607}}^1$

素因数の和:1656

約数の個数: 240

約数和(自身を含む): 979812288

約数和(自身を除く): 724106448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 34, 36, 39, 40, 45, 48, 51, 52, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 117, 120, 130, 136, 144, 153, 156, 170, 180, 195, 204, 208, 221, 234, 240, 255, 260, 272, 306, 312, 340, 360, 390, 408, 442, 468, 510, 520, 585, 612, 624, 663, 680, 720, 765, 780, 816, 884, 936, 1020, 1040, 1105, 1170, 1224, 1326, 1360, 1530, 1560, 1607, 1768, 1872, 1989, 2040, 2210, 2340, 2448, 2652, 3060, 3120, 3214, 3315, 3536, 3978, 4080, 4420, 4680, 4821, 5304, 6120, 6428, 6630, 7956, 8035, 8840, 9360, 9642, 9945, 10608, 12240, 12856, 13260, 14463, 15912, 16070, 17680, 19284, 19890, 20891, 24105, 25712, 26520, 27319, 28926, 31824, 32140, 38568, 39780, 41782, 48210, 53040, 54638, 57852, 62673, 64280, 72315, 77136, 79560, 81957, 83564, 96420, 104455, 109276, 115704, 125346, 128560, 136595, 144630, 159120, 163914, 167128, 188019, 192840, 208910, 218552, 231408, 245871, 250692, 273190, 289260, 313365, 327828, 334256, 355147, 376038, 385680, 409785, 417820, 437104, 491742, 501384, 546380, 578520, 626730, 655656, 710294, 752076, 819570, 835640, 940095, 983484, 1002768, 1065441, 1092760, 1157040, 1229355, 1253460, 1311312, 1420588, 1504152, 1639140, 1671280, 1775735, 1880190, 1966968, 2130882, 2185520, 2458710, 2506920, 2841176, 3008304, 3196323, 3278280, 3551470, 3760380, 3933936, 4261764, 4917420, 5013840, 5327205, 5682352, 6392646, 6556560, 7102940, 7520760, 8523528, 9834840, 10654410, 12785292, 14205880, 15041520, 15981615, 17047056, 19669680, 21308820, 25570584, 28411760, 31963230, 42617640, 51141168, 63926460, 85235280, 127852920, 255705840]

約数ペア:

[(1, 255705840), (2, 127852920), (3, 85235280), (4, 63926460), (5, 51141168), (6, 42617640), (8, 31963230), (9, 28411760), (10, 25570584), (12, 21308820), (13, 19669680), (15, 17047056), (16, 15981615), (17, 15041520), (18, 14205880), (20, 12785292), (24, 10654410), (26, 9834840), (30, 8523528), (34, 7520760), (36, 7102940), (39, 6556560), (40, 6392646), (45, 5682352), (48, 5327205), (51, 5013840), (52, 4917420), (60, 4261764), (65, 3933936), (68, 3760380), (72, 3551470), (78, 3278280), (80, 3196323), (85, 3008304), (90, 2841176), (102, 2506920), (104, 2458710), (117, 2185520), (120, 2130882), (130, 1966968), (136, 1880190), (144, 1775735), (153, 1671280), (156, 1639140), (170, 1504152), (180, 1420588), (195, 1311312), (204, 1253460), (208, 1229355), (221, 1157040), (234, 1092760), (240, 1065441), (255, 1002768), (260, 983484), (272, 940095), (306, 835640), (312, 819570), (340, 752076), (360, 710294), (390, 655656), (408, 626730), (442, 578520), (468, 546380), (510, 501384), (520, 491742), (585, 437104), (612, 417820), (624, 409785), (663, 385680), (680, 376038), (720, 355147), (765, 334256), (780, 327828), (816, 313365), (884, 289260), (936, 273190), (1020, 250692), (1040, 245871), (1105, 231408), (1170, 218552), (1224, 208910), (1326, 192840), (1360, 188019), (1530, 167128), (1560, 163914), (1607, 159120), (1768, 144630), (1872, 136595), (1989, 128560), (2040, 125346), (2210, 115704), (2340, 109276), (2448, 104455), (2652, 96420), (3060, 83564), (3120, 81957), (3214, 79560), (3315, 77136), (3536, 72315), (3978, 64280), (4080, 62673), (4420, 57852), (4680, 54638), (4821, 53040), (5304, 48210), (6120, 41782), (6428, 39780), (6630, 38568), (7956, 32140), (8035, 31824), (8840, 28926), (9360, 27319), (9642, 26520), (9945, 25712), (10608, 24105), (12240, 20891), (12856, 19890), (13260, 19284), (14463, 17680), (15912, 16070)]