220889760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{389}}^1$

素因数の和:440

約数の個数: 288

約数和(自身を含む): 863291520

約数和(自身を除く): 642401760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 169, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 338, 364, 389, 390, 416, 420, 455, 480, 507, 520, 546, 560, 624, 672, 676, 728, 778, 780, 840, 845, 910, 1014, 1040, 1092, 1120, 1167, 1183, 1248, 1352, 1365, 1456, 1556, 1560, 1680, 1690, 1820, 1945, 2028, 2080, 2184, 2334, 2366, 2535, 2704, 2723, 2730, 2912, 3112, 3120, 3360, 3380, 3549, 3640, 3890, 4056, 4368, 4668, 4732, 5057, 5070, 5408, 5446, 5460, 5835, 5915, 6224, 6240, 6760, 7098, 7280, 7780, 8112, 8169, 8736, 9336, 9464, 10114, 10140, 10892, 10920, 11670, 11830, 12448, 13520, 13615, 14196, 14560, 15171, 15560, 16224, 16338, 17745, 18672, 18928, 20228, 20280, 21784, 21840, 23340, 23660, 25285, 27040, 27230, 28392, 30342, 31120, 32676, 35399, 35490, 37344, 37856, 40456, 40560, 40845, 43568, 43680, 46680, 47320, 50570, 54460, 56784, 60684, 62240, 65352, 65741, 70798, 70980, 75855, 80912, 81120, 81690, 87136, 93360, 94640, 101140, 106197, 108920, 113568, 121368, 130704, 131482, 141596, 141960, 151710, 161824, 163380, 176995, 186720, 189280, 197223, 202280, 212394, 217840, 242736, 261408, 262964, 283192, 283920, 303420, 326760, 328705, 353990, 394446, 404560, 424788, 435680, 460187, 485472, 525928, 530985, 566384, 567840, 606840, 653520, 657410, 707980, 788892, 809120, 849576, 920374, 986115, 1051856, 1061970, 1132768, 1213680, 1307040, 1314820, 1380561, 1415960, 1577784, 1699152, 1840748, 1972230, 2103712, 2123940, 2300935, 2427360, 2629640, 2761122, 2831920, 3155568, 3398304, 3681496, 3944460, 4247880, 4601870, 5259280, 5522244, 5663840, 6311136, 6902805, 7362992, 7888920, 8495760, 9203740, 10518560, 11044488, 13805610, 14725984, 15777840, 16991520, 18407480, 22088976, 27611220, 31555680, 36814960, 44177952, 55222440, 73629920, 110444880, 220889760]

約数ペア:

[(1, 220889760), (2, 110444880), (3, 73629920), (4, 55222440), (5, 44177952), (6, 36814960), (7, 31555680), (8, 27611220), (10, 22088976), (12, 18407480), (13, 16991520), (14, 15777840), (15, 14725984), (16, 13805610), (20, 11044488), (21, 10518560), (24, 9203740), (26, 8495760), (28, 7888920), (30, 7362992), (32, 6902805), (35, 6311136), (39, 5663840), (40, 5522244), (42, 5259280), (48, 4601870), (52, 4247880), (56, 3944460), (60, 3681496), (65, 3398304), (70, 3155568), (78, 2831920), (80, 2761122), (84, 2629640), (91, 2427360), (96, 2300935), (104, 2123940), (105, 2103712), (112, 1972230), (120, 1840748), (130, 1699152), (140, 1577784), (156, 1415960), (160, 1380561), (168, 1314820), (169, 1307040), (182, 1213680), (195, 1132768), (208, 1061970), (210, 1051856), (224, 986115), (240, 920374), (260, 849576), (273, 809120), (280, 788892), (312, 707980), (336, 657410), (338, 653520), (364, 606840), (389, 567840), (390, 566384), (416, 530985), (420, 525928), (455, 485472), (480, 460187), (507, 435680), (520, 424788), (546, 404560), (560, 394446), (624, 353990), (672, 328705), (676, 326760), (728, 303420), (778, 283920), (780, 283192), (840, 262964), (845, 261408), (910, 242736), (1014, 217840), (1040, 212394), (1092, 202280), (1120, 197223), (1167, 189280), (1183, 186720), (1248, 176995), (1352, 163380), (1365, 161824), (1456, 151710), (1556, 141960), (1560, 141596), (1680, 131482), (1690, 130704), (1820, 121368), (1945, 113568), (2028, 108920), (2080, 106197), (2184, 101140), (2334, 94640), (2366, 93360), (2535, 87136), (2704, 81690), (2723, 81120), (2730, 80912), (2912, 75855), (3112, 70980), (3120, 70798), (3360, 65741), (3380, 65352), (3549, 62240), (3640, 60684), (3890, 56784), (4056, 54460), (4368, 50570), (4668, 47320), (4732, 46680), (5057, 43680), (5070, 43568), (5408, 40845), (5446, 40560), (5460, 40456), (5835, 37856), (5915, 37344), (6224, 35490), (6240, 35399), (6760, 32676), (7098, 31120), (7280, 30342), (7780, 28392), (8112, 27230), (8169, 27040), (8736, 25285), (9336, 23660), (9464, 23340), (10114, 21840), (10140, 21784), (10892, 20280), (10920, 20228), (11670, 18928), (11830, 18672), (12448, 17745), (13520, 16338), (13615, 16224), (14196, 15560), (14560, 15171)]