8281731780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{345937}}^1$

素因数の和:345978

約数の個数: 144

約数和(自身を含む): 30221143680

約数和(自身を除く): 21939411900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 345937, 691874, 1037811, 1383748, 1729685, 2075622, 2421559, 3113433, 3459370, 4151244, 4843118, 5189055, 6226866, 6572803, 6918740, 7264677, 9686236, 10378110, 12107795, 12453732, 13145606, 14529354, 15567165, 19718409, 20756220, 21794031, 24215590, 26291212, 29058708, 31134330, 32864015, 36323385, 39436818, 43588062, 46009621, 48431180, 59155227, 62268660, 65728030, 72646770, 78873636, 87176124, 92019242, 98592045, 108970155, 118310454, 131456060, 138028863, 145293540, 184038484, 197184090, 217940310, 230048105, 236620908, 276057726, 295776135, 394368180, 414086589, 435880620, 460096210, 552115452, 591552270, 690144315, 828173178, 920192420, 1183104540, 1380288630, 1656346356, 2070432945, 2760577260, 4140865890, 8281731780]

約数ペア:

[(1, 8281731780), (2, 4140865890), (3, 2760577260), (4, 2070432945), (5, 1656346356), (6, 1380288630), (7, 1183104540), (9, 920192420), (10, 828173178), (12, 690144315), (14, 591552270), (15, 552115452), (18, 460096210), (19, 435880620), (20, 414086589), (21, 394368180), (28, 295776135), (30, 276057726), (35, 236620908), (36, 230048105), (38, 217940310), (42, 197184090), (45, 184038484), (57, 145293540), (60, 138028863), (63, 131456060), (70, 118310454), (76, 108970155), (84, 98592045), (90, 92019242), (95, 87176124), (105, 78873636), (114, 72646770), (126, 65728030), (133, 62268660), (140, 59155227), (171, 48431180), (180, 46009621), (190, 43588062), (210, 39436818), (228, 36323385), (252, 32864015), (266, 31134330), (285, 29058708), (315, 26291212), (342, 24215590), (380, 21794031), (399, 20756220), (420, 19718409), (532, 15567165), (570, 14529354), (630, 13145606), (665, 12453732), (684, 12107795), (798, 10378110), (855, 9686236), (1140, 7264677), (1197, 6918740), (1260, 6572803), (1330, 6226866), (1596, 5189055), (1710, 4843118), (1995, 4151244), (2394, 3459370), (2660, 3113433), (3420, 2421559), (3990, 2075622), (4788, 1729685), (5985, 1383748), (7980, 1037811), (11970, 691874), (23940, 345937)]