681573480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1031}}^1$

素因数の和:1839

約数の個数: 128

約数和(自身を含む): 2342062080

約数和(自身を除く): 1660488600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 787, 840, 1031, 1574, 2062, 2361, 3093, 3148, 3935, 4124, 4722, 5155, 5509, 6186, 6296, 7217, 7870, 8248, 9444, 10310, 11018, 11805, 12372, 14434, 15465, 15740, 16527, 18888, 20620, 21651, 22036, 23610, 24744, 27545, 28868, 30930, 31480, 33054, 36085, 41240, 43302, 44072, 47220, 55090, 57736, 61860, 66108, 72170, 82635, 86604, 94440, 108255, 110180, 123720, 132216, 144340, 165270, 173208, 216510, 220360, 288680, 330540, 433020, 661080, 811397, 866040, 1622794, 2434191, 3245588, 4056985, 4868382, 5679779, 6491176, 8113970, 9736764, 11359558, 12170955, 16227940, 17039337, 19473528, 22719116, 24341910, 28398895, 32455880, 34078674, 45438232, 48683820, 56797790, 68157348, 85196685, 97367640, 113595580, 136314696, 170393370, 227191160, 340786740, 681573480]

約数ペア:

[(1, 681573480), (2, 340786740), (3, 227191160), (4, 170393370), (5, 136314696), (6, 113595580), (7, 97367640), (8, 85196685), (10, 68157348), (12, 56797790), (14, 48683820), (15, 45438232), (20, 34078674), (21, 32455880), (24, 28398895), (28, 24341910), (30, 22719116), (35, 19473528), (40, 17039337), (42, 16227940), (56, 12170955), (60, 11359558), (70, 9736764), (84, 8113970), (105, 6491176), (120, 5679779), (140, 4868382), (168, 4056985), (210, 3245588), (280, 2434191), (420, 1622794), (787, 866040), (840, 811397), (1031, 661080), (1574, 433020), (2062, 330540), (2361, 288680), (3093, 220360), (3148, 216510), (3935, 173208), (4124, 165270), (4722, 144340), (5155, 132216), (5509, 123720), (6186, 110180), (6296, 108255), (7217, 94440), (7870, 86604), (8248, 82635), (9444, 72170), (10310, 66108), (11018, 61860), (11805, 57736), (12372, 55090), (14434, 47220), (15465, 44072), (15740, 43302), (16527, 41240), (18888, 36085), (20620, 33054), (21651, 31480), (22036, 30930), (23610, 28868), (24744, 27545)]