123828880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1077

約数の個数: 120

約数和(自身を含む): 346049280

約数和(自身を除く): 222220400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1019, 1085, 1240, 1519, 1736, 1960, 2038, 2170, 2480, 3038, 3472, 3920, 4076, 4340, 5095, 6076, 7133, 7595, 8152, 8680, 10190, 12152, 14266, 15190, 16304, 17360, 20380, 24304, 28532, 30380, 31589, 35665, 40760, 49931, 57064, 60760, 63178, 71330, 81520, 99862, 114128, 121520, 126356, 142660, 157945, 199724, 221123, 249655, 252712, 285320, 315890, 399448, 442246, 499310, 505424, 570640, 631780, 798896, 884492, 998620, 1105615, 1263560, 1547861, 1768984, 1997240, 2211230, 2527120, 3095722, 3537968, 3994480, 4422460, 6191444, 7739305, 8844920, 12382888, 15478610, 17689840, 24765776, 30957220, 61914440, 123828880]

約数ペア:

[(1, 123828880), (2, 61914440), (4, 30957220), (5, 24765776), (7, 17689840), (8, 15478610), (10, 12382888), (14, 8844920), (16, 7739305), (20, 6191444), (28, 4422460), (31, 3994480), (35, 3537968), (40, 3095722), (49, 2527120), (56, 2211230), (62, 1997240), (70, 1768984), (80, 1547861), (98, 1263560), (112, 1105615), (124, 998620), (140, 884492), (155, 798896), (196, 631780), (217, 570640), (245, 505424), (248, 499310), (280, 442246), (310, 399448), (392, 315890), (434, 285320), (490, 252712), (496, 249655), (560, 221123), (620, 199724), (784, 157945), (868, 142660), (980, 126356), (1019, 121520), (1085, 114128), (1240, 99862), (1519, 81520), (1736, 71330), (1960, 63178), (2038, 60760), (2170, 57064), (2480, 49931), (3038, 40760), (3472, 35665), (3920, 31589), (4076, 30380), (4340, 28532), (5095, 24304), (6076, 20380), (7133, 17360), (7595, 16304), (8152, 15190), (8680, 14266), (10190, 12152)]