78912240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 271268352

約数和(自身を除く): 192356112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 71, 80, 88, 110, 120, 132, 142, 165, 176, 213, 220, 240, 264, 284, 330, 355, 421, 426, 440, 528, 568, 660, 710, 781, 842, 852, 880, 1065, 1136, 1263, 1320, 1420, 1562, 1684, 1704, 2105, 2130, 2343, 2526, 2640, 2840, 3124, 3368, 3408, 3905, 4210, 4260, 4631, 4686, 5052, 5680, 6248, 6315, 6736, 7810, 8420, 8520, 9262, 9372, 10104, 11715, 12496, 12630, 13893, 15620, 16840, 17040, 18524, 18744, 20208, 23155, 23430, 25260, 27786, 29891, 31240, 33680, 37048, 37488, 46310, 46860, 50520, 55572, 59782, 62480, 69465, 74096, 89673, 92620, 93720, 101040, 111144, 119564, 138930, 149455, 179346, 185240, 187440, 222288, 239128, 277860, 298910, 328801, 358692, 370480, 448365, 478256, 555720, 597820, 657602, 717384, 896730, 986403, 1111440, 1195640, 1315204, 1434768, 1644005, 1793460, 1972806, 2391280, 2630408, 3288010, 3586920, 3945612, 4932015, 5260816, 6576020, 7173840, 7891224, 9864030, 13152040, 15782448, 19728060, 26304080, 39456120, 78912240]

約数ペア:

[(1, 78912240), (2, 39456120), (3, 26304080), (4, 19728060), (5, 15782448), (6, 13152040), (8, 9864030), (10, 7891224), (11, 7173840), (12, 6576020), (15, 5260816), (16, 4932015), (20, 3945612), (22, 3586920), (24, 3288010), (30, 2630408), (33, 2391280), (40, 1972806), (44, 1793460), (48, 1644005), (55, 1434768), (60, 1315204), (66, 1195640), (71, 1111440), (80, 986403), (88, 896730), (110, 717384), (120, 657602), (132, 597820), (142, 555720), (165, 478256), (176, 448365), (213, 370480), (220, 358692), (240, 328801), (264, 298910), (284, 277860), (330, 239128), (355, 222288), (421, 187440), (426, 185240), (440, 179346), (528, 149455), (568, 138930), (660, 119564), (710, 111144), (781, 101040), (842, 93720), (852, 92620), (880, 89673), (1065, 74096), (1136, 69465), (1263, 62480), (1320, 59782), (1420, 55572), (1562, 50520), (1684, 46860), (1704, 46310), (2105, 37488), (2130, 37048), (2343, 33680), (2526, 31240), (2640, 29891), (2840, 27786), (3124, 25260), (3368, 23430), (3408, 23155), (3905, 20208), (4210, 18744), (4260, 18524), (4631, 17040), (4686, 16840), (5052, 15620), (5680, 13893), (6248, 12630), (6315, 12496), (6736, 11715), (7810, 10104), (8420, 9372), (8520, 9262)]