71525790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{331}}^1$

素因数の和:372

約数の個数: 120

約数和(自身を含む): 217604088

約数和(自身を除く): 146078298

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 331, 343, 441, 490, 630, 662, 686, 735, 882, 993, 1029, 1470, 1655, 1715, 1986, 2058, 2205, 2317, 2401, 2979, 3087, 3310, 3430, 4410, 4634, 4802, 4965, 5145, 5958, 6174, 6951, 7203, 9930, 10290, 11585, 12005, 13902, 14406, 14895, 15435, 16219, 20853, 21609, 23170, 24010, 29790, 30870, 32438, 34755, 36015, 41706, 43218, 48657, 69510, 72030, 81095, 97314, 104265, 108045, 113533, 145971, 162190, 208530, 216090, 227066, 243285, 291942, 340599, 486570, 567665, 681198, 729855, 794731, 1021797, 1135330, 1459710, 1589462, 1702995, 2043594, 2384193, 3405990, 3973655, 4768386, 5108985, 7152579, 7947310, 10217970, 11920965, 14305158, 23841930, 35762895, 71525790]

約数ペア:

[(1, 71525790), (2, 35762895), (3, 23841930), (5, 14305158), (6, 11920965), (7, 10217970), (9, 7947310), (10, 7152579), (14, 5108985), (15, 4768386), (18, 3973655), (21, 3405990), (30, 2384193), (35, 2043594), (42, 1702995), (45, 1589462), (49, 1459710), (63, 1135330), (70, 1021797), (90, 794731), (98, 729855), (105, 681198), (126, 567665), (147, 486570), (210, 340599), (245, 291942), (294, 243285), (315, 227066), (331, 216090), (343, 208530), (441, 162190), (490, 145971), (630, 113533), (662, 108045), (686, 104265), (735, 97314), (882, 81095), (993, 72030), (1029, 69510), (1470, 48657), (1655, 43218), (1715, 41706), (1986, 36015), (2058, 34755), (2205, 32438), (2317, 30870), (2401, 29790), (2979, 24010), (3087, 23170), (3310, 21609), (3430, 20853), (4410, 16219), (4634, 15435), (4802, 14895), (4965, 14406), (5145, 13902), (5958, 12005), (6174, 11585), (6951, 10290), (7203, 9930)]