78010880

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1037

約数の個数: 80

約数和(自身を含む): 193273344

約数和(自身を除く): 115262464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 983, 992, 1240, 1280, 1966, 1984, 2480, 2560, 3932, 3968, 4915, 4960, 7864, 7936, 9830, 9920, 15728, 15872, 19660, 19840, 30473, 31456, 39320, 39680, 60946, 62912, 78640, 79360, 121892, 125824, 152365, 157280, 243784, 251648, 304730, 314560, 487568, 503296, 609460, 629120, 975136, 1218920, 1258240, 1950272, 2437840, 2516480, 3900544, 4875680, 7801088, 9751360, 15602176, 19502720, 39005440, 78010880]

約数ペア:

[(1, 78010880), (2, 39005440), (4, 19502720), (5, 15602176), (8, 9751360), (10, 7801088), (16, 4875680), (20, 3900544), (31, 2516480), (32, 2437840), (40, 1950272), (62, 1258240), (64, 1218920), (80, 975136), (124, 629120), (128, 609460), (155, 503296), (160, 487568), (248, 314560), (256, 304730), (310, 251648), (320, 243784), (496, 157280), (512, 152365), (620, 125824), (640, 121892), (983, 79360), (992, 78640), (1240, 62912), (1280, 60946), (1966, 39680), (1984, 39320), (2480, 31456), (2560, 30473), (3932, 19840), (3968, 19660), (4915, 15872), (4960, 15728), (7864, 9920), (7936, 9830)]