84515920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 206986752

約数和(自身を除く): 122470832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 643, 848, 1060, 1240, 1286, 1643, 2120, 2480, 2572, 3215, 3286, 4240, 5144, 6430, 6572, 8215, 10288, 12860, 13144, 16430, 19933, 25720, 26288, 32860, 34079, 39866, 51440, 65720, 68158, 79732, 99665, 131440, 136316, 159464, 170395, 199330, 272632, 318928, 340790, 398660, 545264, 681580, 797320, 1056449, 1363160, 1594640, 2112898, 2726320, 4225796, 5282245, 8451592, 10564490, 16903184, 21128980, 42257960, 84515920]

約数ペア:

[(1, 84515920), (2, 42257960), (4, 21128980), (5, 16903184), (8, 10564490), (10, 8451592), (16, 5282245), (20, 4225796), (31, 2726320), (40, 2112898), (53, 1594640), (62, 1363160), (80, 1056449), (106, 797320), (124, 681580), (155, 545264), (212, 398660), (248, 340790), (265, 318928), (310, 272632), (424, 199330), (496, 170395), (530, 159464), (620, 136316), (643, 131440), (848, 99665), (1060, 79732), (1240, 68158), (1286, 65720), (1643, 51440), (2120, 39866), (2480, 34079), (2572, 32860), (3215, 26288), (3286, 25720), (4240, 19933), (5144, 16430), (6430, 13144), (6572, 12860), (8215, 10288)]