30947280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 240

約数和(自身を含む): 119813760

約数和(自身を除く): 88866480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 109, 112, 120, 130, 140, 156, 168, 169, 182, 195, 208, 210, 218, 240, 260, 273, 280, 312, 327, 336, 338, 364, 390, 420, 436, 455, 507, 520, 545, 546, 560, 624, 654, 676, 728, 763, 780, 840, 845, 872, 910, 1014, 1040, 1090, 1092, 1183, 1308, 1352, 1365, 1417, 1456, 1526, 1560, 1635, 1680, 1690, 1744, 1820, 2028, 2180, 2184, 2289, 2366, 2535, 2616, 2704, 2730, 2834, 3052, 3120, 3270, 3380, 3549, 3640, 3815, 4056, 4251, 4360, 4368, 4578, 4732, 5070, 5232, 5460, 5668, 5915, 6104, 6540, 6760, 7085, 7098, 7280, 7630, 8112, 8502, 8720, 9156, 9464, 9919, 10140, 10920, 11336, 11445, 11830, 12208, 13080, 13520, 14170, 14196, 15260, 17004, 17745, 18312, 18421, 18928, 19838, 20280, 21255, 21840, 22672, 22890, 23660, 26160, 28340, 28392, 29757, 30520, 34008, 35490, 36624, 36842, 39676, 40560, 42510, 45780, 47320, 49595, 55263, 56680, 56784, 59514, 61040, 68016, 70980, 73684, 79352, 85020, 91560, 92105, 94640, 99190, 110526, 113360, 119028, 128947, 141960, 147368, 148785, 158704, 170040, 183120, 184210, 198380, 221052, 238056, 257894, 276315, 283920, 294736, 297570, 340080, 368420, 386841, 396760, 442104, 476112, 515788, 552630, 595140, 644735, 736840, 773682, 793520, 884208, 1031576, 1105260, 1190280, 1289470, 1473680, 1547364, 1934205, 2063152, 2210520, 2380560, 2578940, 3094728, 3868410, 4421040, 5157880, 6189456, 7736820, 10315760, 15473640, 30947280]

約数ペア:

[(1, 30947280), (2, 15473640), (3, 10315760), (4, 7736820), (5, 6189456), (6, 5157880), (7, 4421040), (8, 3868410), (10, 3094728), (12, 2578940), (13, 2380560), (14, 2210520), (15, 2063152), (16, 1934205), (20, 1547364), (21, 1473680), (24, 1289470), (26, 1190280), (28, 1105260), (30, 1031576), (35, 884208), (39, 793520), (40, 773682), (42, 736840), (48, 644735), (52, 595140), (56, 552630), (60, 515788), (65, 476112), (70, 442104), (78, 396760), (80, 386841), (84, 368420), (91, 340080), (104, 297570), (105, 294736), (109, 283920), (112, 276315), (120, 257894), (130, 238056), (140, 221052), (156, 198380), (168, 184210), (169, 183120), (182, 170040), (195, 158704), (208, 148785), (210, 147368), (218, 141960), (240, 128947), (260, 119028), (273, 113360), (280, 110526), (312, 99190), (327, 94640), (336, 92105), (338, 91560), (364, 85020), (390, 79352), (420, 73684), (436, 70980), (455, 68016), (507, 61040), (520, 59514), (545, 56784), (546, 56680), (560, 55263), (624, 49595), (654, 47320), (676, 45780), (728, 42510), (763, 40560), (780, 39676), (840, 36842), (845, 36624), (872, 35490), (910, 34008), (1014, 30520), (1040, 29757), (1090, 28392), (1092, 28340), (1183, 26160), (1308, 23660), (1352, 22890), (1365, 22672), (1417, 21840), (1456, 21255), (1526, 20280), (1560, 19838), (1635, 18928), (1680, 18421), (1690, 18312), (1744, 17745), (1820, 17004), (2028, 15260), (2180, 14196), (2184, 14170), (2289, 13520), (2366, 13080), (2535, 12208), (2616, 11830), (2704, 11445), (2730, 11336), (2834, 10920), (3052, 10140), (3120, 9919), (3270, 9464), (3380, 9156), (3549, 8720), (3640, 8502), (3815, 8112), (4056, 7630), (4251, 7280), (4360, 7098), (4368, 7085), (4578, 6760), (4732, 6540), (5070, 6104), (5232, 5915), (5460, 5668)]