2449386880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{123457}}^1$

素因数の和:123507

約数の個数: 64

約数和(自身を含む): 6044503680

約数和(自身を除く): 3595116800

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, 9920, 19840, 123457, 246914, 493828, 617285, 987656, 1234570, 1975312, 2469140, 3827167, 3950624, 4938280, 7654334, 7901248, 9876560, 15308668, 15802496, 19135835, 19753120, 30617336, 38271670, 39506240, 61234672, 76543340, 79012480, 122469344, 153086680, 244938688, 306173360, 489877376, 612346720, 1224693440, 2449386880]

約数ペア:

[(1, 2449386880), (2, 1224693440), (4, 612346720), (5, 489877376), (8, 306173360), (10, 244938688), (16, 153086680), (20, 122469344), (31, 79012480), (32, 76543340), (40, 61234672), (62, 39506240), (64, 38271670), (80, 30617336), (124, 19753120), (128, 19135835), (155, 15802496), (160, 15308668), (248, 9876560), (310, 7901248), (320, 7654334), (496, 4938280), (620, 3950624), (640, 3827167), (992, 2469140), (1240, 1975312), (1984, 1234570), (2480, 987656), (3968, 617285), (4960, 493828), (9920, 246914), (19840, 123457)]