78606080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 222910464

約数和(自身を除く): 144304384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 283, 310, 320, 434, 448, 496, 560, 566, 620, 640, 868, 896, 992, 1085, 1120, 1132, 1240, 1280, 1415, 1736, 1792, 1981, 1984, 2170, 2240, 2264, 2480, 2830, 3472, 3962, 3968, 4340, 4480, 4528, 4960, 5660, 6944, 7924, 7936, 8680, 8773, 8960, 9056, 9905, 9920, 11320, 13888, 15848, 17360, 17546, 18112, 19810, 19840, 22640, 27776, 31696, 34720, 35092, 36224, 39620, 39680, 43865, 45280, 55552, 61411, 63392, 69440, 70184, 72448, 79240, 87730, 90560, 122822, 126784, 138880, 140368, 158480, 175460, 181120, 245644, 253568, 277760, 280736, 307055, 316960, 350920, 362240, 491288, 507136, 561472, 614110, 633920, 701840, 982576, 1122944, 1228220, 1267840, 1403680, 1965152, 2245888, 2456440, 2535680, 2807360, 3930304, 4912880, 5614720, 7860608, 9825760, 11229440, 15721216, 19651520, 39303040, 78606080]

約数ペア:

[(1, 78606080), (2, 39303040), (4, 19651520), (5, 15721216), (7, 11229440), (8, 9825760), (10, 7860608), (14, 5614720), (16, 4912880), (20, 3930304), (28, 2807360), (31, 2535680), (32, 2456440), (35, 2245888), (40, 1965152), (56, 1403680), (62, 1267840), (64, 1228220), (70, 1122944), (80, 982576), (112, 701840), (124, 633920), (128, 614110), (140, 561472), (155, 507136), (160, 491288), (217, 362240), (224, 350920), (248, 316960), (256, 307055), (280, 280736), (283, 277760), (310, 253568), (320, 245644), (434, 181120), (448, 175460), (496, 158480), (560, 140368), (566, 138880), (620, 126784), (640, 122822), (868, 90560), (896, 87730), (992, 79240), (1085, 72448), (1120, 70184), (1132, 69440), (1240, 63392), (1280, 61411), (1415, 55552), (1736, 45280), (1792, 43865), (1981, 39680), (1984, 39620), (2170, 36224), (2240, 35092), (2264, 34720), (2480, 31696), (2830, 27776), (3472, 22640), (3962, 19840), (3968, 19810), (4340, 18112), (4480, 17546), (4528, 17360), (4960, 15848), (5660, 13888), (6944, 11320), (7924, 9920), (7936, 9905), (8680, 9056), (8773, 8960)]