251534640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 240

約数和(自身を含む): 922628448

約数和(自身を除く): 671093808

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 73, 80, 84, 98, 105, 112, 120, 140, 146, 147, 168, 196, 210, 219, 240, 245, 280, 292, 293, 294, 336, 365, 392, 420, 438, 490, 511, 560, 584, 586, 588, 730, 735, 784, 840, 876, 879, 980, 1022, 1095, 1168, 1172, 1176, 1460, 1465, 1470, 1533, 1680, 1752, 1758, 1960, 2044, 2051, 2190, 2344, 2352, 2555, 2920, 2930, 2940, 3066, 3504, 3516, 3577, 3920, 4088, 4102, 4380, 4395, 4688, 5110, 5840, 5860, 5880, 6132, 6153, 7032, 7154, 7665, 8176, 8204, 8760, 8790, 10220, 10255, 10731, 11720, 11760, 12264, 12306, 14064, 14308, 14357, 15330, 16408, 17520, 17580, 17885, 20440, 20510, 21389, 21462, 23440, 24528, 24612, 28616, 28714, 30660, 30765, 32816, 35160, 35770, 40880, 41020, 42778, 42924, 43071, 49224, 53655, 57232, 57428, 61320, 61530, 64167, 70320, 71540, 71785, 82040, 85556, 85848, 86142, 98448, 106945, 107310, 114856, 122640, 123060, 128334, 143080, 143570, 149723, 164080, 171112, 171696, 172284, 213890, 214620, 215355, 229712, 246120, 256668, 286160, 287140, 299446, 320835, 342224, 344568, 427780, 429240, 430710, 449169, 492240, 513336, 574280, 598892, 641670, 689136, 748615, 855560, 858480, 861420, 898338, 1026672, 1048061, 1148560, 1197784, 1283340, 1497230, 1711120, 1722840, 1796676, 2096122, 2245845, 2395568, 2566680, 2994460, 3144183, 3445680, 3593352, 4192244, 4491690, 5133360, 5240305, 5988920, 6288366, 7186704, 8384488, 8983380, 10480610, 11977840, 12576732, 15720915, 16768976, 17966760, 20961220, 25153464, 31441830, 35933520, 41922440, 50306928, 62883660, 83844880, 125767320, 251534640]

約数ペア:

[(1, 251534640), (2, 125767320), (3, 83844880), (4, 62883660), (5, 50306928), (6, 41922440), (7, 35933520), (8, 31441830), (10, 25153464), (12, 20961220), (14, 17966760), (15, 16768976), (16, 15720915), (20, 12576732), (21, 11977840), (24, 10480610), (28, 8983380), (30, 8384488), (35, 7186704), (40, 6288366), (42, 5988920), (48, 5240305), (49, 5133360), (56, 4491690), (60, 4192244), (70, 3593352), (73, 3445680), (80, 3144183), (84, 2994460), (98, 2566680), (105, 2395568), (112, 2245845), (120, 2096122), (140, 1796676), (146, 1722840), (147, 1711120), (168, 1497230), (196, 1283340), (210, 1197784), (219, 1148560), (240, 1048061), (245, 1026672), (280, 898338), (292, 861420), (293, 858480), (294, 855560), (336, 748615), (365, 689136), (392, 641670), (420, 598892), (438, 574280), (490, 513336), (511, 492240), (560, 449169), (584, 430710), (586, 429240), (588, 427780), (730, 344568), (735, 342224), (784, 320835), (840, 299446), (876, 287140), (879, 286160), (980, 256668), (1022, 246120), (1095, 229712), (1168, 215355), (1172, 214620), (1176, 213890), (1460, 172284), (1465, 171696), (1470, 171112), (1533, 164080), (1680, 149723), (1752, 143570), (1758, 143080), (1960, 128334), (2044, 123060), (2051, 122640), (2190, 114856), (2344, 107310), (2352, 106945), (2555, 98448), (2920, 86142), (2930, 85848), (2940, 85556), (3066, 82040), (3504, 71785), (3516, 71540), (3577, 70320), (3920, 64167), (4088, 61530), (4102, 61320), (4380, 57428), (4395, 57232), (4688, 53655), (5110, 49224), (5840, 43071), (5860, 42924), (5880, 42778), (6132, 41020), (6153, 40880), (7032, 35770), (7154, 35160), (7665, 32816), (8176, 30765), (8204, 30660), (8760, 28714), (8790, 28616), (10220, 24612), (10255, 24528), (10731, 23440), (11720, 21462), (11760, 21389), (12264, 20510), (12306, 20440), (14064, 17885), (14308, 17580), (14357, 17520), (15330, 16408)]