79188880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{863}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 195416064

約数和(自身を除く): 116227184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 863, 1147, 1240, 1480, 1726, 2294, 2480, 2960, 3452, 4315, 4588, 5735, 6904, 8630, 9176, 11470, 13808, 17260, 18352, 22940, 26753, 31931, 34520, 45880, 53506, 63862, 69040, 91760, 107012, 127724, 133765, 159655, 214024, 255448, 267530, 319310, 428048, 510896, 535060, 638620, 989861, 1070120, 1277240, 1979722, 2140240, 2554480, 3959444, 4949305, 7918888, 9898610, 15837776, 19797220, 39594440, 79188880]

約数ペア:

[(1, 79188880), (2, 39594440), (4, 19797220), (5, 15837776), (8, 9898610), (10, 7918888), (16, 4949305), (20, 3959444), (31, 2554480), (37, 2140240), (40, 1979722), (62, 1277240), (74, 1070120), (80, 989861), (124, 638620), (148, 535060), (155, 510896), (185, 428048), (248, 319310), (296, 267530), (310, 255448), (370, 214024), (496, 159655), (592, 133765), (620, 127724), (740, 107012), (863, 91760), (1147, 69040), (1240, 63862), (1480, 53506), (1726, 45880), (2294, 34520), (2480, 31931), (2960, 26753), (3452, 22940), (4315, 18352), (4588, 17260), (5735, 13808), (6904, 11470), (8630, 9176)]