156081280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7867}}^1$

素因数の和:7917

約数の個数: 64

約数和(自身を含む): 385217280

約数和(自身を除く): 229136000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 7867, 9920, 15734, 19840, 31468, 39335, 62936, 78670, 125872, 157340, 243877, 251744, 314680, 487754, 503488, 629360, 975508, 1006976, 1219385, 1258720, 1951016, 2438770, 2517440, 3902032, 4877540, 5034880, 7804064, 9755080, 15608128, 19510160, 31216256, 39020320, 78040640, 156081280]

約数ペア:

[(1, 156081280), (2, 78040640), (4, 39020320), (5, 31216256), (8, 19510160), (10, 15608128), (16, 9755080), (20, 7804064), (31, 5034880), (32, 4877540), (40, 3902032), (62, 2517440), (64, 2438770), (80, 1951016), (124, 1258720), (128, 1219385), (155, 1006976), (160, 975508), (248, 629360), (310, 503488), (320, 487754), (496, 314680), (620, 251744), (640, 243877), (992, 157340), (1240, 125872), (1984, 78670), (2480, 62936), (3968, 39335), (4960, 31468), (7867, 19840), (9920, 15734)]