66866380

素因数分解:

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

素因数の和:156

約数の個数: 108

約数和(自身を含む): 171161424

約数和(自身を除く): 104295044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 71, 98, 124, 140, 142, 155, 196, 217, 245, 284, 310, 355, 434, 490, 497, 620, 710, 868, 961, 980, 994, 1085, 1420, 1519, 1922, 1988, 2170, 2201, 2485, 3038, 3479, 3844, 4340, 4402, 4805, 4970, 6076, 6727, 6958, 7595, 8804, 9610, 9940, 11005, 13454, 13916, 15190, 15407, 17395, 19220, 22010, 26908, 30380, 30814, 33635, 34790, 44020, 47089, 61628, 67270, 68231, 69580, 77035, 94178, 107849, 134540, 136462, 154070, 188356, 215698, 235445, 272924, 308140, 341155, 431396, 470890, 477617, 539245, 682310, 941780, 955234, 1078490, 1364620, 1910468, 2156980, 2388085, 3343319, 4776170, 6686638, 9552340, 13373276, 16716595, 33433190, 66866380]

約数ペア:

[(1, 66866380), (2, 33433190), (4, 16716595), (5, 13373276), (7, 9552340), (10, 6686638), (14, 4776170), (20, 3343319), (28, 2388085), (31, 2156980), (35, 1910468), (49, 1364620), (62, 1078490), (70, 955234), (71, 941780), (98, 682310), (124, 539245), (140, 477617), (142, 470890), (155, 431396), (196, 341155), (217, 308140), (245, 272924), (284, 235445), (310, 215698), (355, 188356), (434, 154070), (490, 136462), (497, 134540), (620, 107849), (710, 94178), (868, 77035), (961, 69580), (980, 68231), (994, 67270), (1085, 61628), (1420, 47089), (1519, 44020), (1922, 34790), (1988, 33635), (2170, 30814), (2201, 30380), (2485, 26908), (3038, 22010), (3479, 19220), (3844, 17395), (4340, 15407), (4402, 15190), (4805, 13916), (4970, 13454), (6076, 11005), (6727, 9940), (6958, 9610), (7595, 8804)]