4781080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 11664000

約数和(自身を除く): 6882920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 89, 136, 158, 170, 178, 316, 340, 356, 395, 445, 632, 680, 712, 790, 890, 1343, 1513, 1580, 1780, 2686, 3026, 3160, 3560, 5372, 6052, 6715, 7031, 7565, 10744, 12104, 13430, 14062, 15130, 26860, 28124, 30260, 35155, 53720, 56248, 60520, 70310, 119527, 140620, 239054, 281240, 478108, 597635, 956216, 1195270, 2390540, 4781080]

約数ペア:

[(1, 4781080), (2, 2390540), (4, 1195270), (5, 956216), (8, 597635), (10, 478108), (17, 281240), (20, 239054), (34, 140620), (40, 119527), (68, 70310), (79, 60520), (85, 56248), (89, 53720), (136, 35155), (158, 30260), (170, 28124), (178, 26860), (316, 15130), (340, 14062), (356, 13430), (395, 12104), (445, 10744), (632, 7565), (680, 7031), (712, 6715), (790, 6052), (890, 5372), (1343, 3560), (1513, 3160), (1580, 3026), (1780, 2686)]