221375340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 702024960

約数和(自身を除く): 480649620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 97, 124, 155, 180, 186, 194, 279, 291, 310, 372, 388, 409, 465, 485, 558, 582, 620, 818, 873, 930, 970, 1116, 1164, 1227, 1395, 1455, 1636, 1746, 1860, 1940, 2045, 2454, 2790, 2910, 3007, 3492, 3681, 4090, 4365, 4908, 5580, 5820, 6014, 6135, 7362, 8180, 8730, 9021, 12028, 12270, 12679, 14724, 15035, 17460, 18042, 18405, 24540, 25358, 27063, 30070, 36084, 36810, 38037, 39673, 45105, 50716, 54126, 60140, 63395, 73620, 76074, 79346, 90210, 108252, 114111, 119019, 126790, 135315, 152148, 158692, 180420, 190185, 198365, 228222, 238038, 253580, 270630, 357057, 380370, 396730, 456444, 476076, 541260, 570555, 595095, 714114, 760740, 793460, 1141110, 1190190, 1229863, 1428228, 1785285, 2282220, 2380380, 2459726, 3570570, 3689589, 4919452, 6149315, 7141140, 7379178, 11068767, 12298630, 14758356, 18447945, 22137534, 24597260, 36895890, 44275068, 55343835, 73791780, 110687670, 221375340]

約数ペア:

[(1, 221375340), (2, 110687670), (3, 73791780), (4, 55343835), (5, 44275068), (6, 36895890), (9, 24597260), (10, 22137534), (12, 18447945), (15, 14758356), (18, 12298630), (20, 11068767), (30, 7379178), (31, 7141140), (36, 6149315), (45, 4919452), (60, 3689589), (62, 3570570), (90, 2459726), (93, 2380380), (97, 2282220), (124, 1785285), (155, 1428228), (180, 1229863), (186, 1190190), (194, 1141110), (279, 793460), (291, 760740), (310, 714114), (372, 595095), (388, 570555), (409, 541260), (465, 476076), (485, 456444), (558, 396730), (582, 380370), (620, 357057), (818, 270630), (873, 253580), (930, 238038), (970, 228222), (1116, 198365), (1164, 190185), (1227, 180420), (1395, 158692), (1455, 152148), (1636, 135315), (1746, 126790), (1860, 119019), (1940, 114111), (2045, 108252), (2454, 90210), (2790, 79346), (2910, 76074), (3007, 73620), (3492, 63395), (3681, 60140), (4090, 54126), (4365, 50716), (4908, 45105), (5580, 39673), (5820, 38037), (6014, 36810), (6135, 36084), (7362, 30070), (8180, 27063), (8730, 25358), (9021, 24540), (12028, 18405), (12270, 18042), (12679, 17460), (14724, 15035)]