397205640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1541

約数の個数: 256

約数和(自身を含む): 1501920000

約数和(自身を除く): 1104714360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 27, 30, 36, 38, 39, 40, 45, 52, 54, 57, 60, 65, 72, 76, 78, 90, 95, 104, 108, 114, 117, 120, 130, 135, 152, 156, 171, 180, 190, 195, 216, 228, 234, 247, 260, 270, 285, 312, 342, 351, 360, 380, 390, 456, 468, 494, 513, 520, 540, 570, 585, 684, 702, 741, 760, 780, 855, 936, 988, 1026, 1080, 1140, 1170, 1235, 1368, 1404, 1482, 1489, 1560, 1710, 1755, 1976, 2052, 2223, 2280, 2340, 2470, 2565, 2808, 2964, 2978, 3420, 3510, 3705, 4104, 4446, 4467, 4680, 4940, 5130, 5928, 5956, 6669, 6840, 7020, 7410, 7445, 8892, 8934, 9880, 10260, 11115, 11912, 13338, 13401, 14040, 14820, 14890, 17784, 17868, 19357, 20520, 22230, 22335, 26676, 26802, 28291, 29640, 29780, 33345, 35736, 38714, 40203, 44460, 44670, 53352, 53604, 56582, 58071, 59560, 66690, 67005, 77428, 80406, 84873, 88920, 89340, 96785, 107208, 113164, 116142, 133380, 134010, 141455, 154856, 160812, 169746, 174213, 178680, 193570, 201015, 226328, 232284, 254619, 266760, 268020, 282910, 290355, 321624, 339492, 348426, 367783, 387140, 402030, 424365, 464568, 509238, 522639, 536040, 565820, 580710, 678984, 696852, 735566, 763857, 774280, 804060, 848730, 871065, 1018476, 1045278, 1103349, 1131640, 1161420, 1273095, 1393704, 1471132, 1527714, 1608120, 1697460, 1742130, 1838915, 2036952, 2090556, 2206698, 2322840, 2546190, 2613195, 2942264, 3055428, 3310047, 3394920, 3484260, 3677830, 3819285, 4181112, 4413396, 5092380, 5226390, 5516745, 6110856, 6620094, 6968520, 7355660, 7638570, 8826792, 9930141, 10184760, 10452780, 11033490, 13240188, 14711320, 15277140, 16550235, 19860282, 20905560, 22066980, 26480376, 30554280, 33100470, 39720564, 44133960, 49650705, 66200940, 79441128, 99301410, 132401880, 198602820, 397205640]

約数ペア:

[(1, 397205640), (2, 198602820), (3, 132401880), (4, 99301410), (5, 79441128), (6, 66200940), (8, 49650705), (9, 44133960), (10, 39720564), (12, 33100470), (13, 30554280), (15, 26480376), (18, 22066980), (19, 20905560), (20, 19860282), (24, 16550235), (26, 15277140), (27, 14711320), (30, 13240188), (36, 11033490), (38, 10452780), (39, 10184760), (40, 9930141), (45, 8826792), (52, 7638570), (54, 7355660), (57, 6968520), (60, 6620094), (65, 6110856), (72, 5516745), (76, 5226390), (78, 5092380), (90, 4413396), (95, 4181112), (104, 3819285), (108, 3677830), (114, 3484260), (117, 3394920), (120, 3310047), (130, 3055428), (135, 2942264), (152, 2613195), (156, 2546190), (171, 2322840), (180, 2206698), (190, 2090556), (195, 2036952), (216, 1838915), (228, 1742130), (234, 1697460), (247, 1608120), (260, 1527714), (270, 1471132), (285, 1393704), (312, 1273095), (342, 1161420), (351, 1131640), (360, 1103349), (380, 1045278), (390, 1018476), (456, 871065), (468, 848730), (494, 804060), (513, 774280), (520, 763857), (540, 735566), (570, 696852), (585, 678984), (684, 580710), (702, 565820), (741, 536040), (760, 522639), (780, 509238), (855, 464568), (936, 424365), (988, 402030), (1026, 387140), (1080, 367783), (1140, 348426), (1170, 339492), (1235, 321624), (1368, 290355), (1404, 282910), (1482, 268020), (1489, 266760), (1560, 254619), (1710, 232284), (1755, 226328), (1976, 201015), (2052, 193570), (2223, 178680), (2280, 174213), (2340, 169746), (2470, 160812), (2565, 154856), (2808, 141455), (2964, 134010), (2978, 133380), (3420, 116142), (3510, 113164), (3705, 107208), (4104, 96785), (4446, 89340), (4467, 88920), (4680, 84873), (4940, 80406), (5130, 77428), (5928, 67005), (5956, 66690), (6669, 59560), (6840, 58071), (7020, 56582), (7410, 53604), (7445, 53352), (8892, 44670), (8934, 44460), (9880, 40203), (10260, 38714), (11115, 35736), (11912, 33345), (13338, 29780), (13401, 29640), (14040, 28291), (14820, 26802), (14890, 26676), (17784, 22335), (17868, 22230), (19357, 20520)]