155445780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11939}}^1$

素因数の和:11989

約数の個数: 96

約数和(自身を含む): 513515520

約数和(自身を除く): 358069740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 11939, 13020, 23878, 35817, 47756, 59695, 71634, 83573, 119390, 143268, 167146, 179085, 238780, 250719, 334292, 358170, 370109, 417865, 501438, 716340, 740218, 835730, 1002876, 1110327, 1253595, 1480436, 1671460, 1850545, 2220654, 2507190, 2590763, 3701090, 4441308, 5014380, 5181526, 5551635, 7402180, 7772289, 10363052, 11103270, 12953815, 15544578, 22206540, 25907630, 31089156, 38861445, 51815260, 77722890, 155445780]

約数ペア:

[(1, 155445780), (2, 77722890), (3, 51815260), (4, 38861445), (5, 31089156), (6, 25907630), (7, 22206540), (10, 15544578), (12, 12953815), (14, 11103270), (15, 10363052), (20, 7772289), (21, 7402180), (28, 5551635), (30, 5181526), (31, 5014380), (35, 4441308), (42, 3701090), (60, 2590763), (62, 2507190), (70, 2220654), (84, 1850545), (93, 1671460), (105, 1480436), (124, 1253595), (140, 1110327), (155, 1002876), (186, 835730), (210, 740218), (217, 716340), (310, 501438), (372, 417865), (420, 370109), (434, 358170), (465, 334292), (620, 250719), (651, 238780), (868, 179085), (930, 167146), (1085, 143268), (1302, 119390), (1860, 83573), (2170, 71634), (2604, 59695), (3255, 47756), (4340, 35817), (6510, 23878), (11939, 13020)]