304768520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1567

約数の個数: 128

約数和(自身を含む): 849657600

約数和(自身を除く): 544889080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 430, 476, 595, 602, 680, 731, 860, 952, 1190, 1204, 1462, 1489, 1505, 1720, 2380, 2408, 2924, 2978, 3010, 3655, 4760, 5117, 5848, 5956, 6020, 7310, 7445, 10234, 10423, 11912, 12040, 14620, 14890, 20468, 20846, 25313, 25585, 29240, 29780, 40936, 41692, 50626, 51170, 52115, 59560, 64027, 83384, 101252, 102340, 104230, 126565, 128054, 177191, 202504, 204680, 208460, 253130, 256108, 320135, 354382, 416920, 448189, 506260, 512216, 640270, 708764, 885955, 896378, 1012520, 1088459, 1280540, 1417528, 1771910, 1792756, 2176918, 2240945, 2561080, 3543820, 3585512, 4353836, 4481890, 5442295, 7087640, 7619213, 8707672, 8963780, 10884590, 15238426, 17927560, 21769180, 30476852, 38096065, 43538360, 60953704, 76192130, 152384260, 304768520]

約数ペア:

[(1, 304768520), (2, 152384260), (4, 76192130), (5, 60953704), (7, 43538360), (8, 38096065), (10, 30476852), (14, 21769180), (17, 17927560), (20, 15238426), (28, 10884590), (34, 8963780), (35, 8707672), (40, 7619213), (43, 7087640), (56, 5442295), (68, 4481890), (70, 4353836), (85, 3585512), (86, 3543820), (119, 2561080), (136, 2240945), (140, 2176918), (170, 1792756), (172, 1771910), (215, 1417528), (238, 1280540), (280, 1088459), (301, 1012520), (340, 896378), (344, 885955), (430, 708764), (476, 640270), (595, 512216), (602, 506260), (680, 448189), (731, 416920), (860, 354382), (952, 320135), (1190, 256108), (1204, 253130), (1462, 208460), (1489, 204680), (1505, 202504), (1720, 177191), (2380, 128054), (2408, 126565), (2924, 104230), (2978, 102340), (3010, 101252), (3655, 83384), (4760, 64027), (5117, 59560), (5848, 52115), (5956, 51170), (6020, 50626), (7310, 41692), (7445, 40936), (10234, 29780), (10423, 29240), (11912, 25585), (12040, 25313), (14620, 20846), (14890, 20468)]