280109760

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:671

約数の個数: 224

約数和(自身を含む): 1032125952

約数和(自身を除く): 752016192

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, 64, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 192, 210, 219, 224, 240, 280, 292, 320, 336, 365, 420, 438, 448, 480, 511, 560, 571, 584, 672, 730, 840, 876, 960, 1022, 1095, 1120, 1142, 1168, 1344, 1460, 1533, 1680, 1713, 1752, 2044, 2190, 2240, 2284, 2336, 2555, 2855, 2920, 3066, 3360, 3426, 3504, 3997, 4088, 4380, 4568, 4672, 5110, 5710, 5840, 6132, 6720, 6852, 7008, 7665, 7994, 8176, 8565, 8760, 9136, 10220, 11420, 11680, 11991, 12264, 13704, 14016, 15330, 15988, 16352, 17130, 17520, 18272, 19985, 20440, 22840, 23360, 23982, 24528, 27408, 30660, 31976, 32704, 34260, 35040, 36544, 39970, 40880, 41683, 45680, 47964, 49056, 54816, 59955, 61320, 63952, 68520, 70080, 79940, 81760, 83366, 91360, 95928, 98112, 109632, 119910, 122640, 125049, 127904, 137040, 159880, 163520, 166732, 182720, 191856, 208415, 239820, 245280, 250098, 255808, 274080, 291781, 319760, 333464, 383712, 416830, 479640, 490560, 500196, 548160, 583562, 625245, 639520, 666928, 767424, 833660, 875343, 959280, 1000392, 1167124, 1250490, 1279040, 1333856, 1458905, 1667320, 1750686, 1918560, 2000784, 2334248, 2500980, 2667712, 2917810, 3334640, 3501372, 3837120, 4001568, 4376715, 4668496, 5001960, 5835620, 6669280, 7002744, 8003136, 8753430, 9336992, 10003920, 11671240, 13338560, 14005488, 17506860, 18673984, 20007840, 23342480, 28010976, 35013720, 40015680, 46684960, 56021952, 70027440, 93369920, 140054880, 280109760]

約数ペア:

[(1, 280109760), (2, 140054880), (3, 93369920), (4, 70027440), (5, 56021952), (6, 46684960), (7, 40015680), (8, 35013720), (10, 28010976), (12, 23342480), (14, 20007840), (15, 18673984), (16, 17506860), (20, 14005488), (21, 13338560), (24, 11671240), (28, 10003920), (30, 9336992), (32, 8753430), (35, 8003136), (40, 7002744), (42, 6669280), (48, 5835620), (56, 5001960), (60, 4668496), (64, 4376715), (70, 4001568), (73, 3837120), (80, 3501372), (84, 3334640), (96, 2917810), (105, 2667712), (112, 2500980), (120, 2334248), (140, 2000784), (146, 1918560), (160, 1750686), (168, 1667320), (192, 1458905), (210, 1333856), (219, 1279040), (224, 1250490), (240, 1167124), (280, 1000392), (292, 959280), (320, 875343), (336, 833660), (365, 767424), (420, 666928), (438, 639520), (448, 625245), (480, 583562), (511, 548160), (560, 500196), (571, 490560), (584, 479640), (672, 416830), (730, 383712), (840, 333464), (876, 319760), (960, 291781), (1022, 274080), (1095, 255808), (1120, 250098), (1142, 245280), (1168, 239820), (1344, 208415), (1460, 191856), (1533, 182720), (1680, 166732), (1713, 163520), (1752, 159880), (2044, 137040), (2190, 127904), (2240, 125049), (2284, 122640), (2336, 119910), (2555, 109632), (2855, 98112), (2920, 95928), (3066, 91360), (3360, 83366), (3426, 81760), (3504, 79940), (3997, 70080), (4088, 68520), (4380, 63952), (4568, 61320), (4672, 59955), (5110, 54816), (5710, 49056), (5840, 47964), (6132, 45680), (6720, 41683), (6852, 40880), (7008, 39970), (7665, 36544), (7994, 35040), (8176, 34260), (8565, 32704), (8760, 31976), (9136, 30660), (10220, 27408), (11420, 24528), (11680, 23982), (11991, 23360), (12264, 22840), (13704, 20440), (14016, 19985), (15330, 18272), (15988, 17520), (16352, 17130)]