77931900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:812

約数の個数: 108

約数和(自身を含む): 246510264

約数和(自身を除く): 168578364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 131, 150, 180, 225, 262, 300, 393, 450, 524, 655, 661, 786, 900, 1179, 1310, 1322, 1572, 1965, 1983, 2358, 2620, 2644, 3275, 3305, 3930, 3966, 4716, 5895, 5949, 6550, 6610, 7860, 7932, 9825, 9915, 11790, 11898, 13100, 13220, 16525, 19650, 19830, 23580, 23796, 29475, 29745, 33050, 39300, 39660, 49575, 58950, 59490, 66100, 86591, 99150, 117900, 118980, 148725, 173182, 198300, 259773, 297450, 346364, 432955, 519546, 594900, 779319, 865910, 1039092, 1298865, 1558638, 1731820, 2164775, 2597730, 3117276, 3896595, 4329550, 5195460, 6494325, 7793190, 8659100, 12988650, 15586380, 19482975, 25977300, 38965950, 77931900]

約数ペア:

[(1, 77931900), (2, 38965950), (3, 25977300), (4, 19482975), (5, 15586380), (6, 12988650), (9, 8659100), (10, 7793190), (12, 6494325), (15, 5195460), (18, 4329550), (20, 3896595), (25, 3117276), (30, 2597730), (36, 2164775), (45, 1731820), (50, 1558638), (60, 1298865), (75, 1039092), (90, 865910), (100, 779319), (131, 594900), (150, 519546), (180, 432955), (225, 346364), (262, 297450), (300, 259773), (393, 198300), (450, 173182), (524, 148725), (655, 118980), (661, 117900), (786, 99150), (900, 86591), (1179, 66100), (1310, 59490), (1322, 58950), (1572, 49575), (1965, 39660), (1983, 39300), (2358, 33050), (2620, 29745), (2644, 29475), (3275, 23796), (3305, 23580), (3930, 19830), (3966, 19650), (4716, 16525), (5895, 13220), (5949, 13100), (6550, 11898), (6610, 11790), (7860, 9915), (7932, 9825)]