221653680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:391

約数の個数: 160

約数和(自身を含む): 715281600

約数和(自身を除く): 493627920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 109, 111, 120, 148, 185, 218, 222, 229, 240, 296, 327, 370, 436, 444, 458, 545, 555, 592, 654, 687, 740, 872, 888, 916, 1090, 1110, 1145, 1308, 1374, 1480, 1635, 1744, 1776, 1832, 2180, 2220, 2290, 2616, 2748, 2960, 3270, 3435, 3664, 4033, 4360, 4440, 4580, 5232, 5496, 6540, 6870, 8066, 8473, 8720, 8880, 9160, 10992, 12099, 13080, 13740, 16132, 16946, 18320, 20165, 24198, 24961, 25419, 26160, 27480, 32264, 33892, 40330, 42365, 48396, 49922, 50838, 54960, 60495, 64528, 67784, 74883, 80660, 84730, 96792, 99844, 101676, 120990, 124805, 127095, 135568, 149766, 161320, 169460, 193584, 199688, 203352, 241980, 249610, 254190, 299532, 322640, 338920, 374415, 399376, 406704, 483960, 499220, 508380, 599064, 677840, 748830, 923557, 967920, 998440, 1016760, 1198128, 1497660, 1847114, 1996880, 2033520, 2770671, 2995320, 3694228, 4617785, 5541342, 5990640, 7388456, 9235570, 11082684, 13853355, 14776912, 18471140, 22165368, 27706710, 36942280, 44330736, 55413420, 73884560, 110826840, 221653680]

約数ペア:

[(1, 221653680), (2, 110826840), (3, 73884560), (4, 55413420), (5, 44330736), (6, 36942280), (8, 27706710), (10, 22165368), (12, 18471140), (15, 14776912), (16, 13853355), (20, 11082684), (24, 9235570), (30, 7388456), (37, 5990640), (40, 5541342), (48, 4617785), (60, 3694228), (74, 2995320), (80, 2770671), (109, 2033520), (111, 1996880), (120, 1847114), (148, 1497660), (185, 1198128), (218, 1016760), (222, 998440), (229, 967920), (240, 923557), (296, 748830), (327, 677840), (370, 599064), (436, 508380), (444, 499220), (458, 483960), (545, 406704), (555, 399376), (592, 374415), (654, 338920), (687, 322640), (740, 299532), (872, 254190), (888, 249610), (916, 241980), (1090, 203352), (1110, 199688), (1145, 193584), (1308, 169460), (1374, 161320), (1480, 149766), (1635, 135568), (1744, 127095), (1776, 124805), (1832, 120990), (2180, 101676), (2220, 99844), (2290, 96792), (2616, 84730), (2748, 80660), (2960, 74883), (3270, 67784), (3435, 64528), (3664, 60495), (4033, 54960), (4360, 50838), (4440, 49922), (4580, 48396), (5232, 42365), (5496, 40330), (6540, 33892), (6870, 32264), (8066, 27480), (8473, 26160), (8720, 25419), (8880, 24961), (9160, 24198), (10992, 20165), (12099, 18320), (13080, 16946), (13740, 16132)]