660739440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{144899}}^1$

素因数の和:144934

約数の個数: 80

約数和(自身を含む): 2156112000

約数和(自身を除く): 1495372560

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, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 144899, 289798, 434697, 579596, 724495, 869394, 1159192, 1448990, 1738788, 2173485, 2318384, 2753081, 2897980, 3477576, 4346970, 5506162, 5795960, 6955152, 8259243, 8693940, 11012324, 11591920, 13765405, 16518486, 17387880, 22024648, 27530810, 33036972, 34775760, 41296215, 44049296, 55061620, 66073944, 82592430, 110123240, 132147888, 165184860, 220246480, 330369720, 660739440]

約数ペア:

[(1, 660739440), (2, 330369720), (3, 220246480), (4, 165184860), (5, 132147888), (6, 110123240), (8, 82592430), (10, 66073944), (12, 55061620), (15, 44049296), (16, 41296215), (19, 34775760), (20, 33036972), (24, 27530810), (30, 22024648), (38, 17387880), (40, 16518486), (48, 13765405), (57, 11591920), (60, 11012324), (76, 8693940), (80, 8259243), (95, 6955152), (114, 5795960), (120, 5506162), (152, 4346970), (190, 3477576), (228, 2897980), (240, 2753081), (285, 2318384), (304, 2173485), (380, 1738788), (456, 1448990), (570, 1159192), (760, 869394), (912, 724495), (1140, 579596), (1520, 434697), (2280, 289798), (4560, 144899)]