30724680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 106905600

約数和(自身を除く): 76180920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 463, 474, 553, 632, 790, 840, 926, 948, 1106, 1185, 1389, 1580, 1659, 1852, 1896, 2212, 2315, 2370, 2765, 2778, 3160, 3241, 3318, 3704, 4424, 4630, 4740, 5530, 5556, 6482, 6636, 6945, 8295, 9260, 9480, 9723, 11060, 11112, 12964, 13272, 13890, 16205, 16590, 18520, 19446, 22120, 25928, 27780, 32410, 33180, 36577, 38892, 48615, 55560, 64820, 66360, 73154, 77784, 97230, 109731, 129640, 146308, 182885, 194460, 219462, 256039, 292616, 365770, 388920, 438924, 512078, 548655, 731540, 768117, 877848, 1024156, 1097310, 1280195, 1463080, 1536234, 2048312, 2194620, 2560390, 3072468, 3840585, 4389240, 5120780, 6144936, 7681170, 10241560, 15362340, 30724680]

約数ペア:

[(1, 30724680), (2, 15362340), (3, 10241560), (4, 7681170), (5, 6144936), (6, 5120780), (7, 4389240), (8, 3840585), (10, 3072468), (12, 2560390), (14, 2194620), (15, 2048312), (20, 1536234), (21, 1463080), (24, 1280195), (28, 1097310), (30, 1024156), (35, 877848), (40, 768117), (42, 731540), (56, 548655), (60, 512078), (70, 438924), (79, 388920), (84, 365770), (105, 292616), (120, 256039), (140, 219462), (158, 194460), (168, 182885), (210, 146308), (237, 129640), (280, 109731), (316, 97230), (395, 77784), (420, 73154), (463, 66360), (474, 64820), (553, 55560), (632, 48615), (790, 38892), (840, 36577), (926, 33180), (948, 32410), (1106, 27780), (1185, 25928), (1389, 22120), (1580, 19446), (1659, 18520), (1852, 16590), (1896, 16205), (2212, 13890), (2315, 13272), (2370, 12964), (2765, 11112), (2778, 11060), (3160, 9723), (3241, 9480), (3318, 9260), (3704, 8295), (4424, 6945), (4630, 6636), (4740, 6482), (5530, 5556)]