164101980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{55817}}^1$

素因数の和:55843

約数の個数: 72

約数和(自身を含む): 534513168

約数和(自身を除く): 370411188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 55817, 111634, 167451, 223268, 279085, 334902, 390719, 558170, 669804, 781438, 837255, 1116340, 1172157, 1562876, 1674510, 1953595, 2344314, 2735033, 3349020, 3907190, 4688628, 5470066, 5860785, 7814380, 8205099, 10940132, 11721570, 13675165, 16410198, 23443140, 27350330, 32820396, 41025495, 54700660, 82050990, 164101980]

約数ペア:

[(1, 164101980), (2, 82050990), (3, 54700660), (4, 41025495), (5, 32820396), (6, 27350330), (7, 23443140), (10, 16410198), (12, 13675165), (14, 11721570), (15, 10940132), (20, 8205099), (21, 7814380), (28, 5860785), (30, 5470066), (35, 4688628), (42, 3907190), (49, 3349020), (60, 2735033), (70, 2344314), (84, 1953595), (98, 1674510), (105, 1562876), (140, 1172157), (147, 1116340), (196, 837255), (210, 781438), (245, 669804), (294, 558170), (420, 390719), (490, 334902), (588, 279085), (735, 223268), (980, 167451), (1470, 111634), (2940, 55817)]