1620380580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{296773}}^1$

素因数の和:296805

約数の個数: 96

約数和(自身を含む): 5584099584

約数和(自身を除く): 3963719004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 296773, 593546, 890319, 1187092, 1483865, 1780638, 2077411, 2967730, 3561276, 3858049, 4154822, 4451595, 5935460, 6232233, 7716098, 8309644, 8903190, 10387055, 11574147, 12464466, 15432196, 17806380, 19290245, 20774110, 23148294, 24928932, 27006343, 31161165, 38580490, 41548220, 46296588, 54012686, 57870735, 62322330, 77160980, 81019029, 108025372, 115741470, 124644660, 135031715, 162038058, 231482940, 270063430, 324076116, 405095145, 540126860, 810190290, 1620380580]

約数ペア:

[(1, 1620380580), (2, 810190290), (3, 540126860), (4, 405095145), (5, 324076116), (6, 270063430), (7, 231482940), (10, 162038058), (12, 135031715), (13, 124644660), (14, 115741470), (15, 108025372), (20, 81019029), (21, 77160980), (26, 62322330), (28, 57870735), (30, 54012686), (35, 46296588), (39, 41548220), (42, 38580490), (52, 31161165), (60, 27006343), (65, 24928932), (70, 23148294), (78, 20774110), (84, 19290245), (91, 17806380), (105, 15432196), (130, 12464466), (140, 11574147), (156, 10387055), (182, 8903190), (195, 8309644), (210, 7716098), (260, 6232233), (273, 5935460), (364, 4451595), (390, 4154822), (420, 3858049), (455, 3561276), (546, 2967730), (780, 2077411), (910, 1780638), (1092, 1483865), (1365, 1187092), (1820, 890319), (2730, 593546), (5460, 296773)]