220677840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9887}}^1$

素因数の和:9937

約数の個数: 120

約数和(自身を含む): 765093888

約数和(自身を除く): 544416048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9887, 11160, 19774, 22320, 29661, 39548, 49435, 59322, 79096, 88983, 98870, 118644, 148305, 158192, 177966, 197740, 237288, 296610, 306497, 355932, 395480, 444915, 474576, 593220, 612994, 711864, 790960, 889830, 919491, 1186440, 1225988, 1423728, 1532485, 1779660, 1838982, 2372880, 2451976, 2758473, 3064970, 3559320, 3677964, 4597455, 4903952, 5516946, 6129940, 7118640, 7355928, 9194910, 11033892, 12259880, 13792365, 14711856, 18389820, 22067784, 24519760, 27584730, 36779640, 44135568, 55169460, 73559280, 110338920, 220677840]

約数ペア:

[(1, 220677840), (2, 110338920), (3, 73559280), (4, 55169460), (5, 44135568), (6, 36779640), (8, 27584730), (9, 24519760), (10, 22067784), (12, 18389820), (15, 14711856), (16, 13792365), (18, 12259880), (20, 11033892), (24, 9194910), (30, 7355928), (31, 7118640), (36, 6129940), (40, 5516946), (45, 4903952), (48, 4597455), (60, 3677964), (62, 3559320), (72, 3064970), (80, 2758473), (90, 2451976), (93, 2372880), (120, 1838982), (124, 1779660), (144, 1532485), (155, 1423728), (180, 1225988), (186, 1186440), (240, 919491), (248, 889830), (279, 790960), (310, 711864), (360, 612994), (372, 593220), (465, 474576), (496, 444915), (558, 395480), (620, 355932), (720, 306497), (744, 296610), (930, 237288), (1116, 197740), (1240, 177966), (1395, 158192), (1488, 148305), (1860, 118644), (2232, 98870), (2480, 88983), (2790, 79096), (3720, 59322), (4464, 49435), (5580, 39548), (7440, 29661), (9887, 22320), (11160, 19774)]