221572680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13883}}^1$

素因数の和:13923

約数の個数: 128

約数和(自身を含む): 799718400

約数和(自身を除く): 578145720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 13883, 15960, 27766, 41649, 55532, 69415, 83298, 97181, 111064, 138830, 166596, 194362, 208245, 263777, 277660, 291543, 333192, 388724, 416490, 485905, 527554, 555320, 583086, 777448, 791331, 832980, 971810, 1055108, 1166172, 1318885, 1457715, 1582662, 1665960, 1846439, 1943620, 2110216, 2332344, 2637770, 2915430, 3165324, 3692878, 3887240, 3956655, 5275540, 5539317, 5830860, 6330648, 7385756, 7913310, 9232195, 10551080, 11078634, 11661720, 14771512, 15826620, 18464390, 22157268, 27696585, 31653240, 36928780, 44314536, 55393170, 73857560, 110786340, 221572680]

約数ペア:

[(1, 221572680), (2, 110786340), (3, 73857560), (4, 55393170), (5, 44314536), (6, 36928780), (7, 31653240), (8, 27696585), (10, 22157268), (12, 18464390), (14, 15826620), (15, 14771512), (19, 11661720), (20, 11078634), (21, 10551080), (24, 9232195), (28, 7913310), (30, 7385756), (35, 6330648), (38, 5830860), (40, 5539317), (42, 5275540), (56, 3956655), (57, 3887240), (60, 3692878), (70, 3165324), (76, 2915430), (84, 2637770), (95, 2332344), (105, 2110216), (114, 1943620), (120, 1846439), (133, 1665960), (140, 1582662), (152, 1457715), (168, 1318885), (190, 1166172), (210, 1055108), (228, 971810), (266, 832980), (280, 791331), (285, 777448), (380, 583086), (399, 555320), (420, 527554), (456, 485905), (532, 416490), (570, 388724), (665, 333192), (760, 291543), (798, 277660), (840, 263777), (1064, 208245), (1140, 194362), (1330, 166596), (1596, 138830), (1995, 111064), (2280, 97181), (2660, 83298), (3192, 69415), (3990, 55532), (5320, 41649), (7980, 27766), (13883, 15960)]