251178120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:436

約数の個数: 192

約数和(自身を含む): 857226240

約数和(自身を除く): 606048120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 71, 72, 90, 93, 120, 124, 142, 155, 180, 186, 213, 248, 279, 284, 310, 317, 355, 360, 372, 426, 465, 558, 568, 620, 634, 639, 710, 744, 852, 930, 951, 1065, 1116, 1240, 1268, 1278, 1395, 1420, 1585, 1704, 1860, 1902, 2130, 2201, 2232, 2536, 2556, 2790, 2840, 2853, 3170, 3195, 3720, 3804, 4260, 4402, 4755, 5112, 5580, 5706, 6340, 6390, 6603, 7608, 8520, 8804, 9510, 9827, 11005, 11160, 11412, 12680, 12780, 13206, 14265, 17608, 19020, 19654, 19809, 22010, 22507, 22824, 25560, 26412, 28530, 29481, 33015, 38040, 39308, 39618, 44020, 45014, 49135, 52824, 57060, 58962, 66030, 67521, 78616, 79236, 88040, 88443, 90028, 98270, 99045, 112535, 114120, 117924, 132060, 135042, 147405, 158472, 176886, 180056, 196540, 198090, 202563, 225070, 235848, 264120, 270084, 294810, 337605, 353772, 393080, 396180, 405126, 442215, 450140, 540168, 589620, 675210, 697717, 707544, 792360, 810252, 884430, 900280, 1012815, 1179240, 1350420, 1395434, 1620504, 1768860, 2025630, 2093151, 2700840, 2790868, 3488585, 3537720, 4051260, 4186302, 5581736, 6279453, 6977170, 8102520, 8372604, 10465755, 12558906, 13954340, 16745208, 20931510, 25117812, 27908680, 31397265, 41863020, 50235624, 62794530, 83726040, 125589060, 251178120]

約数ペア:

[(1, 251178120), (2, 125589060), (3, 83726040), (4, 62794530), (5, 50235624), (6, 41863020), (8, 31397265), (9, 27908680), (10, 25117812), (12, 20931510), (15, 16745208), (18, 13954340), (20, 12558906), (24, 10465755), (30, 8372604), (31, 8102520), (36, 6977170), (40, 6279453), (45, 5581736), (60, 4186302), (62, 4051260), (71, 3537720), (72, 3488585), (90, 2790868), (93, 2700840), (120, 2093151), (124, 2025630), (142, 1768860), (155, 1620504), (180, 1395434), (186, 1350420), (213, 1179240), (248, 1012815), (279, 900280), (284, 884430), (310, 810252), (317, 792360), (355, 707544), (360, 697717), (372, 675210), (426, 589620), (465, 540168), (558, 450140), (568, 442215), (620, 405126), (634, 396180), (639, 393080), (710, 353772), (744, 337605), (852, 294810), (930, 270084), (951, 264120), (1065, 235848), (1116, 225070), (1240, 202563), (1268, 198090), (1278, 196540), (1395, 180056), (1420, 176886), (1585, 158472), (1704, 147405), (1860, 135042), (1902, 132060), (2130, 117924), (2201, 114120), (2232, 112535), (2536, 99045), (2556, 98270), (2790, 90028), (2840, 88443), (2853, 88040), (3170, 79236), (3195, 78616), (3720, 67521), (3804, 66030), (4260, 58962), (4402, 57060), (4755, 52824), (5112, 49135), (5580, 45014), (5706, 44020), (6340, 39618), (6390, 39308), (6603, 38040), (7608, 33015), (8520, 29481), (8804, 28530), (9510, 26412), (9827, 25560), (11005, 22824), (11160, 22507), (11412, 22010), (12680, 19809), (12780, 19654), (13206, 19020), (14265, 17608)]