1581448660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1583}}^1$

素因数の和:1861

約数の個数: 96

約数和(自身を含む): 3832012800

約数和(自身を除く): 2250564140

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 239, 380, 418, 478, 836, 956, 1045, 1195, 1583, 2090, 2390, 2629, 3166, 4180, 4541, 4780, 5258, 6332, 7915, 9082, 10516, 13145, 15830, 17413, 18164, 22705, 26290, 30077, 31660, 34826, 45410, 49951, 52580, 60154, 69652, 87065, 90820, 99902, 120308, 150385, 174130, 199804, 249755, 300770, 330847, 348260, 378337, 499510, 601540, 661694, 756674, 999020, 1323388, 1513348, 1654235, 1891685, 3308470, 3783370, 4161707, 6616940, 7188403, 7566740, 8323414, 14376806, 16646828, 20808535, 28753612, 35942015, 41617070, 71884030, 79072433, 83234140, 143768060, 158144866, 316289732, 395362165, 790724330, 1581448660]

約数ペア:

[(1, 1581448660), (2, 790724330), (4, 395362165), (5, 316289732), (10, 158144866), (11, 143768060), (19, 83234140), (20, 79072433), (22, 71884030), (38, 41617070), (44, 35942015), (55, 28753612), (76, 20808535), (95, 16646828), (110, 14376806), (190, 8323414), (209, 7566740), (220, 7188403), (239, 6616940), (380, 4161707), (418, 3783370), (478, 3308470), (836, 1891685), (956, 1654235), (1045, 1513348), (1195, 1323388), (1583, 999020), (2090, 756674), (2390, 661694), (2629, 601540), (3166, 499510), (4180, 378337), (4541, 348260), (4780, 330847), (5258, 300770), (6332, 249755), (7915, 199804), (9082, 174130), (10516, 150385), (13145, 120308), (15830, 99902), (17413, 90820), (18164, 87065), (22705, 69652), (26290, 60154), (30077, 52580), (31660, 49951), (34826, 45410)]