128313840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1481}}^1$

素因数の和:1535

約数の個数: 120

約数和(自身を含む): 420093648

約数和(自身を除く): 291779808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 361, 380, 456, 570, 722, 760, 912, 1083, 1140, 1444, 1481, 1520, 1805, 2166, 2280, 2888, 2962, 3610, 4332, 4443, 4560, 5415, 5776, 5924, 7220, 7405, 8664, 8886, 10830, 11848, 14440, 14810, 17328, 17772, 21660, 22215, 23696, 28139, 28880, 29620, 35544, 43320, 44430, 56278, 59240, 71088, 84417, 86640, 88860, 112556, 118480, 140695, 168834, 177720, 225112, 281390, 337668, 355440, 422085, 450224, 534641, 562780, 675336, 844170, 1069282, 1125560, 1350672, 1603923, 1688340, 2138564, 2251120, 2673205, 3207846, 3376680, 4277128, 5346410, 6415692, 6753360, 8019615, 8554256, 10692820, 12831384, 16039230, 21385640, 25662768, 32078460, 42771280, 64156920, 128313840]

約数ペア:

[(1, 128313840), (2, 64156920), (3, 42771280), (4, 32078460), (5, 25662768), (6, 21385640), (8, 16039230), (10, 12831384), (12, 10692820), (15, 8554256), (16, 8019615), (19, 6753360), (20, 6415692), (24, 5346410), (30, 4277128), (38, 3376680), (40, 3207846), (48, 2673205), (57, 2251120), (60, 2138564), (76, 1688340), (80, 1603923), (95, 1350672), (114, 1125560), (120, 1069282), (152, 844170), (190, 675336), (228, 562780), (240, 534641), (285, 450224), (304, 422085), (361, 355440), (380, 337668), (456, 281390), (570, 225112), (722, 177720), (760, 168834), (912, 140695), (1083, 118480), (1140, 112556), (1444, 88860), (1481, 86640), (1520, 84417), (1805, 71088), (2166, 59240), (2280, 56278), (2888, 44430), (2962, 43320), (3610, 35544), (4332, 29620), (4443, 28880), (4560, 28139), (5415, 23696), (5776, 22215), (5924, 21660), (7220, 17772), (7405, 17328), (8664, 14810), (8886, 14440), (10830, 11848)]