161157220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 405651456

約数和(自身を除く): 244494236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 284, 310, 355, 434, 497, 523, 620, 710, 868, 994, 1046, 1085, 1420, 1988, 2092, 2170, 2201, 2485, 2615, 3661, 4340, 4402, 4970, 5230, 7322, 8804, 9940, 10460, 11005, 14644, 15407, 16213, 18305, 22010, 30814, 32426, 36610, 37133, 44020, 61628, 64852, 73220, 74266, 77035, 81065, 113491, 148532, 154070, 162130, 185665, 226982, 259931, 308140, 324260, 371330, 453964, 519862, 567455, 742660, 1039724, 1134910, 1151123, 1299655, 2269820, 2302246, 2599310, 4604492, 5198620, 5755615, 8057861, 11511230, 16115722, 23022460, 32231444, 40289305, 80578610, 161157220]

約数ペア:

[(1, 161157220), (2, 80578610), (4, 40289305), (5, 32231444), (7, 23022460), (10, 16115722), (14, 11511230), (20, 8057861), (28, 5755615), (31, 5198620), (35, 4604492), (62, 2599310), (70, 2302246), (71, 2269820), (124, 1299655), (140, 1151123), (142, 1134910), (155, 1039724), (217, 742660), (284, 567455), (310, 519862), (355, 453964), (434, 371330), (497, 324260), (523, 308140), (620, 259931), (710, 226982), (868, 185665), (994, 162130), (1046, 154070), (1085, 148532), (1420, 113491), (1988, 81065), (2092, 77035), (2170, 74266), (2201, 73220), (2485, 64852), (2615, 61628), (3661, 44020), (4340, 37133), (4402, 36610), (4970, 32426), (5230, 30814), (7322, 22010), (8804, 18305), (9940, 16213), (10460, 15407), (11005, 14644)]