170821160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 398891520

約数和(自身を除く): 228070360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 347, 397, 620, 694, 794, 1240, 1388, 1588, 1735, 1985, 2776, 3176, 3470, 3970, 6940, 7940, 10757, 12307, 13880, 15880, 21514, 24614, 43028, 49228, 53785, 61535, 86056, 98456, 107570, 123070, 137759, 215140, 246140, 275518, 430280, 492280, 551036, 688795, 1102072, 1377590, 2755180, 4270529, 5510360, 8541058, 17082116, 21352645, 34164232, 42705290, 85410580, 170821160]

約数ペア:

[(1, 170821160), (2, 85410580), (4, 42705290), (5, 34164232), (8, 21352645), (10, 17082116), (20, 8541058), (31, 5510360), (40, 4270529), (62, 2755180), (124, 1377590), (155, 1102072), (248, 688795), (310, 551036), (347, 492280), (397, 430280), (620, 275518), (694, 246140), (794, 215140), (1240, 137759), (1388, 123070), (1588, 107570), (1735, 98456), (1985, 86056), (2776, 61535), (3176, 53785), (3470, 49228), (3970, 43028), (6940, 24614), (7940, 21514), (10757, 15880), (12307, 13880)]