1263669880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{77621}}^1$

素因数の和:77680

約数の個数: 64

約数和(自身を含む): 3185606880

約数和(自身を除く): 1921937000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 8140, 16280, 77621, 155242, 310484, 388105, 620968, 776210, 853831, 1552420, 1707662, 2871977, 3104840, 3415324, 4269155, 5743954, 6830648, 8538310, 11487908, 14359885, 17076620, 22975816, 28719770, 31591747, 34153240, 57439540, 63183494, 114879080, 126366988, 157958735, 252733976, 315917470, 631834940, 1263669880]

約数ペア:

[(1, 1263669880), (2, 631834940), (4, 315917470), (5, 252733976), (8, 157958735), (10, 126366988), (11, 114879080), (20, 63183494), (22, 57439540), (37, 34153240), (40, 31591747), (44, 28719770), (55, 22975816), (74, 17076620), (88, 14359885), (110, 11487908), (148, 8538310), (185, 6830648), (220, 5743954), (296, 4269155), (370, 3415324), (407, 3104840), (440, 2871977), (740, 1707662), (814, 1552420), (1480, 853831), (1628, 776210), (2035, 620968), (3256, 388105), (4070, 310484), (8140, 155242), (16280, 77621)]