77660700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19913}}^1$

素因数の和:19943

約数の個数: 72

約数和(自身を含む): 241994928

約数和(自身を除く): 164334228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 19913, 39826, 59739, 79652, 99565, 119478, 199130, 238956, 258869, 298695, 398260, 497825, 517738, 597390, 776607, 995650, 1035476, 1194780, 1294345, 1493475, 1553214, 1991300, 2588690, 2986950, 3106428, 3883035, 5177380, 5973900, 6471725, 7766070, 12943450, 15532140, 19415175, 25886900, 38830350, 77660700]

約数ペア:

[(1, 77660700), (2, 38830350), (3, 25886900), (4, 19415175), (5, 15532140), (6, 12943450), (10, 7766070), (12, 6471725), (13, 5973900), (15, 5177380), (20, 3883035), (25, 3106428), (26, 2986950), (30, 2588690), (39, 1991300), (50, 1553214), (52, 1493475), (60, 1294345), (65, 1194780), (75, 1035476), (78, 995650), (100, 776607), (130, 597390), (150, 517738), (156, 497825), (195, 398260), (260, 298695), (300, 258869), (325, 238956), (390, 199130), (650, 119478), (780, 99565), (975, 79652), (1300, 59739), (1950, 39826), (3900, 19913)]