87996080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 219360960

約数和(自身を除く): 131364880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 680, 712, 727, 890, 1360, 1424, 1454, 1513, 1780, 2908, 3026, 3560, 3635, 5816, 6052, 7120, 7270, 7565, 11632, 12104, 12359, 14540, 15130, 24208, 24718, 29080, 30260, 49436, 58160, 60520, 61795, 64703, 98872, 121040, 123590, 129406, 197744, 247180, 258812, 323515, 494360, 517624, 647030, 988720, 1035248, 1099951, 1294060, 2199902, 2588120, 4399804, 5176240, 5499755, 8799608, 10999510, 17599216, 21999020, 43998040, 87996080]

約数ペア:

[(1, 87996080), (2, 43998040), (4, 21999020), (5, 17599216), (8, 10999510), (10, 8799608), (16, 5499755), (17, 5176240), (20, 4399804), (34, 2588120), (40, 2199902), (68, 1294060), (80, 1099951), (85, 1035248), (89, 988720), (136, 647030), (170, 517624), (178, 494360), (272, 323515), (340, 258812), (356, 247180), (445, 197744), (680, 129406), (712, 123590), (727, 121040), (890, 98872), (1360, 64703), (1424, 61795), (1454, 60520), (1513, 58160), (1780, 49436), (2908, 30260), (3026, 29080), (3560, 24718), (3635, 24208), (5816, 15130), (6052, 14540), (7120, 12359), (7270, 12104), (7565, 11632)]