79449040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 203290560

約数和(自身を除く): 123841520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 548, 659, 685, 880, 1096, 1318, 1370, 1507, 2192, 2636, 2740, 3014, 3295, 5272, 5480, 6028, 6590, 7249, 7535, 10544, 10960, 12056, 13180, 14498, 15070, 24112, 26360, 28996, 30140, 36245, 52720, 57992, 60280, 72490, 90283, 115984, 120560, 144980, 180566, 289960, 361132, 451415, 579920, 722264, 902830, 993113, 1444528, 1805660, 1986226, 3611320, 3972452, 4965565, 7222640, 7944904, 9931130, 15889808, 19862260, 39724520, 79449040]

約数ペア:

[(1, 79449040), (2, 39724520), (4, 19862260), (5, 15889808), (8, 9931130), (10, 7944904), (11, 7222640), (16, 4965565), (20, 3972452), (22, 3611320), (40, 1986226), (44, 1805660), (55, 1444528), (80, 993113), (88, 902830), (110, 722264), (137, 579920), (176, 451415), (220, 361132), (274, 289960), (440, 180566), (548, 144980), (659, 120560), (685, 115984), (880, 90283), (1096, 72490), (1318, 60280), (1370, 57992), (1507, 52720), (2192, 36245), (2636, 30140), (2740, 28996), (3014, 26360), (3295, 24112), (5272, 15070), (5480, 14498), (6028, 13180), (6590, 12056), (7249, 10960), (7535, 10544)]