1021000920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1381}}^1$

素因数の和:1557

約数の個数: 128

約数和(自身を含む): 3146316480

約数和(自身を除く): 2125315560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 101, 120, 122, 183, 202, 244, 303, 305, 366, 404, 488, 505, 606, 610, 732, 808, 915, 1010, 1212, 1220, 1381, 1464, 1515, 1830, 2020, 2424, 2440, 2762, 3030, 3660, 4040, 4143, 5524, 6060, 6161, 6905, 7320, 8286, 11048, 12120, 12322, 13810, 16572, 18483, 20715, 24644, 27620, 30805, 33144, 36966, 41430, 49288, 55240, 61610, 73932, 82860, 84241, 92415, 123220, 139481, 147864, 165720, 168482, 184830, 246440, 252723, 278962, 336964, 369660, 418443, 421205, 505446, 557924, 673928, 697405, 739320, 836886, 842410, 1010892, 1115848, 1263615, 1394810, 1673772, 1684820, 2021784, 2092215, 2527230, 2789620, 3347544, 3369640, 4184430, 5054460, 5579240, 8368860, 8508341, 10108920, 16737720, 17016682, 25525023, 34033364, 42541705, 51050046, 68066728, 85083410, 102100092, 127625115, 170166820, 204200184, 255250230, 340333640, 510500460, 1021000920]

約数ペア:

[(1, 1021000920), (2, 510500460), (3, 340333640), (4, 255250230), (5, 204200184), (6, 170166820), (8, 127625115), (10, 102100092), (12, 85083410), (15, 68066728), (20, 51050046), (24, 42541705), (30, 34033364), (40, 25525023), (60, 17016682), (61, 16737720), (101, 10108920), (120, 8508341), (122, 8368860), (183, 5579240), (202, 5054460), (244, 4184430), (303, 3369640), (305, 3347544), (366, 2789620), (404, 2527230), (488, 2092215), (505, 2021784), (606, 1684820), (610, 1673772), (732, 1394810), (808, 1263615), (915, 1115848), (1010, 1010892), (1212, 842410), (1220, 836886), (1381, 739320), (1464, 697405), (1515, 673928), (1830, 557924), (2020, 505446), (2424, 421205), (2440, 418443), (2762, 369660), (3030, 336964), (3660, 278962), (4040, 252723), (4143, 246440), (5524, 184830), (6060, 168482), (6161, 165720), (6905, 147864), (7320, 139481), (8286, 123220), (11048, 92415), (12120, 84241), (12322, 82860), (13810, 73932), (16572, 61610), (18483, 55240), (20715, 49288), (24644, 41430), (27620, 36966), (30805, 33144)]