72507140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1409}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 159183360

約数和(自身を除く): 86676220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1409, 1660, 2573, 2818, 5146, 5636, 7045, 10292, 12865, 14090, 25730, 28180, 43679, 51460, 87358, 116947, 174716, 218395, 233894, 436790, 467788, 584735, 873580, 1169470, 2338940, 3625357, 7250714, 14501428, 18126785, 36253570, 72507140]

約数ペア:

[(1, 72507140), (2, 36253570), (4, 18126785), (5, 14501428), (10, 7250714), (20, 3625357), (31, 2338940), (62, 1169470), (83, 873580), (124, 584735), (155, 467788), (166, 436790), (310, 233894), (332, 218395), (415, 174716), (620, 116947), (830, 87358), (1409, 51460), (1660, 43679), (2573, 28180), (2818, 25730), (5146, 14090), (5636, 12865), (7045, 10292)]