171222240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 192

約数和(自身を含む): 622702080

約数和(自身を除く): 451479840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 131, 140, 160, 168, 210, 224, 240, 262, 280, 336, 389, 393, 420, 480, 524, 560, 655, 672, 778, 786, 840, 917, 1048, 1120, 1167, 1310, 1556, 1572, 1680, 1834, 1945, 1965, 2096, 2334, 2620, 2723, 2751, 3112, 3144, 3360, 3668, 3890, 3930, 4192, 4585, 4668, 5240, 5446, 5502, 5835, 6224, 6288, 7336, 7780, 7860, 8169, 9170, 9336, 10480, 10892, 11004, 11670, 12448, 12576, 13615, 13755, 14672, 15560, 15720, 16338, 18340, 18672, 20960, 21784, 22008, 23340, 27230, 27510, 29344, 31120, 31440, 32676, 36680, 37344, 40845, 43568, 44016, 46680, 50959, 54460, 55020, 62240, 62880, 65352, 73360, 81690, 87136, 88032, 93360, 101918, 108920, 110040, 130704, 146720, 152877, 163380, 186720, 203836, 217840, 220080, 254795, 261408, 305754, 326760, 356713, 407672, 435680, 440160, 509590, 611508, 653520, 713426, 764385, 815344, 1019180, 1070139, 1223016, 1307040, 1426852, 1528770, 1630688, 1783565, 2038360, 2140278, 2446032, 2853704, 3057540, 3567130, 4076720, 4280556, 4892064, 5350695, 5707408, 6115080, 7134260, 8153440, 8561112, 10701390, 11414816, 12230160, 14268520, 17122224, 21402780, 24460320, 28537040, 34244448, 42805560, 57074080, 85611120, 171222240]

約数ペア:

[(1, 171222240), (2, 85611120), (3, 57074080), (4, 42805560), (5, 34244448), (6, 28537040), (7, 24460320), (8, 21402780), (10, 17122224), (12, 14268520), (14, 12230160), (15, 11414816), (16, 10701390), (20, 8561112), (21, 8153440), (24, 7134260), (28, 6115080), (30, 5707408), (32, 5350695), (35, 4892064), (40, 4280556), (42, 4076720), (48, 3567130), (56, 3057540), (60, 2853704), (70, 2446032), (80, 2140278), (84, 2038360), (96, 1783565), (105, 1630688), (112, 1528770), (120, 1426852), (131, 1307040), (140, 1223016), (160, 1070139), (168, 1019180), (210, 815344), (224, 764385), (240, 713426), (262, 653520), (280, 611508), (336, 509590), (389, 440160), (393, 435680), (420, 407672), (480, 356713), (524, 326760), (560, 305754), (655, 261408), (672, 254795), (778, 220080), (786, 217840), (840, 203836), (917, 186720), (1048, 163380), (1120, 152877), (1167, 146720), (1310, 130704), (1556, 110040), (1572, 108920), (1680, 101918), (1834, 93360), (1945, 88032), (1965, 87136), (2096, 81690), (2334, 73360), (2620, 65352), (2723, 62880), (2751, 62240), (3112, 55020), (3144, 54460), (3360, 50959), (3668, 46680), (3890, 44016), (3930, 43568), (4192, 40845), (4585, 37344), (4668, 36680), (5240, 32676), (5446, 31440), (5502, 31120), (5835, 29344), (6224, 27510), (6288, 27230), (7336, 23340), (7780, 22008), (7860, 21784), (8169, 20960), (9170, 18672), (9336, 18340), (10480, 16338), (10892, 15720), (11004, 15560), (11670, 14672), (12448, 13755), (12576, 13615)]