1220716980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{107647}}^1$

素因数の和:107675

約数の個数: 120

約数和(自身を含む): 4376537088

約数和(自身を除く): 3155820108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 107647, 215294, 322941, 430588, 538235, 645882, 753529, 968823, 1076470, 1291764, 1507058, 1614705, 1937646, 2152940, 2260587, 2906469, 3014116, 3229410, 3767645, 3875292, 4521174, 4844115, 5812938, 6458820, 6781761, 7535290, 8719407, 9042348, 9688230, 11302935, 11625876, 13563522, 14532345, 15070580, 17438814, 19376460, 20345283, 22605870, 27127044, 29064690, 33908805, 34877628, 40690566, 43597035, 45211740, 58129380, 61035849, 67817610, 81381132, 87194070, 101726415, 122071698, 135635220, 174388140, 203452830, 244143396, 305179245, 406905660, 610358490, 1220716980]

約数ペア:

[(1, 1220716980), (2, 610358490), (3, 406905660), (4, 305179245), (5, 244143396), (6, 203452830), (7, 174388140), (9, 135635220), (10, 122071698), (12, 101726415), (14, 87194070), (15, 81381132), (18, 67817610), (20, 61035849), (21, 58129380), (27, 45211740), (28, 43597035), (30, 40690566), (35, 34877628), (36, 33908805), (42, 29064690), (45, 27127044), (54, 22605870), (60, 20345283), (63, 19376460), (70, 17438814), (81, 15070580), (84, 14532345), (90, 13563522), (105, 11625876), (108, 11302935), (126, 9688230), (135, 9042348), (140, 8719407), (162, 7535290), (180, 6781761), (189, 6458820), (210, 5812938), (252, 4844115), (270, 4521174), (315, 3875292), (324, 3767645), (378, 3229410), (405, 3014116), (420, 2906469), (540, 2260587), (567, 2152940), (630, 1937646), (756, 1614705), (810, 1507058), (945, 1291764), (1134, 1076470), (1260, 968823), (1620, 753529), (1890, 645882), (2268, 538235), (2835, 430588), (3780, 322941), (5670, 215294), (11340, 107647)]