306556640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7757}}^1$

素因数の和:7804

約数の個数: 96

約数和(自身を含む): 821106720

約数和(自身を除く): 514550080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 7757, 7904, 9880, 15514, 19760, 31028, 38785, 39520, 62056, 77570, 100841, 124112, 147383, 155140, 201682, 248224, 294766, 310280, 403364, 504205, 589532, 620560, 736915, 806728, 1008410, 1179064, 1241120, 1473830, 1613456, 1915979, 2016820, 2358128, 2947660, 3226912, 3831958, 4033640, 4716256, 5895320, 7663916, 8067280, 9579895, 11790640, 15327832, 16134560, 19159790, 23581280, 30655664, 38319580, 61311328, 76639160, 153278320, 306556640]

約数ペア:

[(1, 306556640), (2, 153278320), (4, 76639160), (5, 61311328), (8, 38319580), (10, 30655664), (13, 23581280), (16, 19159790), (19, 16134560), (20, 15327832), (26, 11790640), (32, 9579895), (38, 8067280), (40, 7663916), (52, 5895320), (65, 4716256), (76, 4033640), (80, 3831958), (95, 3226912), (104, 2947660), (130, 2358128), (152, 2016820), (160, 1915979), (190, 1613456), (208, 1473830), (247, 1241120), (260, 1179064), (304, 1008410), (380, 806728), (416, 736915), (494, 620560), (520, 589532), (608, 504205), (760, 403364), (988, 310280), (1040, 294766), (1235, 248224), (1520, 201682), (1976, 155140), (2080, 147383), (2470, 124112), (3040, 100841), (3952, 77570), (4940, 62056), (7757, 39520), (7904, 38785), (9880, 31028), (15514, 19760)]