129174320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 329577120

約数和(自身を除く): 200402800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 229, 440, 458, 641, 880, 916, 1145, 1282, 1832, 2290, 2519, 2564, 3205, 3664, 4580, 5038, 5128, 6410, 7051, 9160, 10076, 10256, 12595, 12820, 14102, 18320, 20152, 25190, 25640, 28204, 35255, 40304, 50380, 51280, 56408, 70510, 100760, 112816, 141020, 146789, 201520, 282040, 293578, 564080, 587156, 733945, 1174312, 1467890, 1614679, 2348624, 2935780, 3229358, 5871560, 6458716, 8073395, 11743120, 12917432, 16146790, 25834864, 32293580, 64587160, 129174320]

約数ペア:

[(1, 129174320), (2, 64587160), (4, 32293580), (5, 25834864), (8, 16146790), (10, 12917432), (11, 11743120), (16, 8073395), (20, 6458716), (22, 5871560), (40, 3229358), (44, 2935780), (55, 2348624), (80, 1614679), (88, 1467890), (110, 1174312), (176, 733945), (220, 587156), (229, 564080), (440, 293578), (458, 282040), (641, 201520), (880, 146789), (916, 141020), (1145, 112816), (1282, 100760), (1832, 70510), (2290, 56408), (2519, 51280), (2564, 50380), (3205, 40304), (3664, 35255), (4580, 28204), (5038, 25640), (5128, 25190), (6410, 20152), (7051, 18320), (9160, 14102), (10076, 12820), (10256, 12595)]