30587720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 73180800

約数和(自身を除く): 42593080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 167, 190, 241, 334, 380, 482, 668, 760, 835, 964, 1205, 1336, 1670, 1928, 2410, 3173, 3340, 4579, 4820, 6346, 6680, 9158, 9640, 12692, 15865, 18316, 22895, 25384, 31730, 36632, 40247, 45790, 63460, 80494, 91580, 126920, 160988, 183160, 201235, 321976, 402470, 764693, 804940, 1529386, 1609880, 3058772, 3823465, 6117544, 7646930, 15293860, 30587720]

約数ペア:

[(1, 30587720), (2, 15293860), (4, 7646930), (5, 6117544), (8, 3823465), (10, 3058772), (19, 1609880), (20, 1529386), (38, 804940), (40, 764693), (76, 402470), (95, 321976), (152, 201235), (167, 183160), (190, 160988), (241, 126920), (334, 91580), (380, 80494), (482, 63460), (668, 45790), (760, 40247), (835, 36632), (964, 31730), (1205, 25384), (1336, 22895), (1670, 18316), (1928, 15865), (2410, 12692), (3173, 9640), (3340, 9158), (4579, 6680), (4820, 6346)]