221341680

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{14639}}^1$

素因数の和:14668

約数の個数: 160

約数和(自身を含む): 871372800

約数和(自身を除く): 650031120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 14639, 15120, 29278, 43917, 58556, 73195, 87834, 102473, 117112, 131751, 146390, 175668, 204946, 219585, 234224, 263502, 292780, 307419, 351336, 395253, 409892, 439170, 512365, 527004, 585560, 614838, 658755, 702672, 790506, 819784, 878340, 922257, 1024730, 1054008, 1171120, 1229676, 1317510, 1537095, 1581012, 1639568, 1756680, 1844514, 1976265, 2049460, 2108016, 2459352, 2635020, 2766771, 3074190, 3162024, 3513360, 3689028, 3952530, 4098920, 4611285, 4918704, 5270040, 5533542, 6148380, 6324048, 7378056, 7905060, 8197840, 9222570, 10540080, 11067084, 12296760, 13833855, 14756112, 15810120, 18445140, 22134168, 24593520, 27667710, 31620240, 36890280, 44268336, 55335420, 73780560, 110670840, 221341680]

約数ペア:

[(1, 221341680), (2, 110670840), (3, 73780560), (4, 55335420), (5, 44268336), (6, 36890280), (7, 31620240), (8, 27667710), (9, 24593520), (10, 22134168), (12, 18445140), (14, 15810120), (15, 14756112), (16, 13833855), (18, 12296760), (20, 11067084), (21, 10540080), (24, 9222570), (27, 8197840), (28, 7905060), (30, 7378056), (35, 6324048), (36, 6148380), (40, 5533542), (42, 5270040), (45, 4918704), (48, 4611285), (54, 4098920), (56, 3952530), (60, 3689028), (63, 3513360), (70, 3162024), (72, 3074190), (80, 2766771), (84, 2635020), (90, 2459352), (105, 2108016), (108, 2049460), (112, 1976265), (120, 1844514), (126, 1756680), (135, 1639568), (140, 1581012), (144, 1537095), (168, 1317510), (180, 1229676), (189, 1171120), (210, 1054008), (216, 1024730), (240, 922257), (252, 878340), (270, 819784), (280, 790506), (315, 702672), (336, 658755), (360, 614838), (378, 585560), (420, 527004), (432, 512365), (504, 439170), (540, 409892), (560, 395253), (630, 351336), (720, 307419), (756, 292780), (840, 263502), (945, 234224), (1008, 219585), (1080, 204946), (1260, 175668), (1512, 146390), (1680, 131751), (1890, 117112), (2160, 102473), (2520, 87834), (3024, 73195), (3780, 58556), (5040, 43917), (7560, 29278), (14639, 15120)]