159021640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2351}}^1$

素因数の和:2470

約数の個数: 64

約数和(自身を含む): 381024000

約数和(自身を除く): 222002360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 2351, 3382, 3560, 4702, 6764, 8455, 9404, 11755, 13528, 16910, 18808, 23510, 33820, 44669, 47020, 67640, 89338, 94040, 178676, 209239, 223345, 357352, 418478, 446690, 836956, 893380, 1046195, 1673912, 1786760, 2092390, 3975541, 4184780, 7951082, 8369560, 15902164, 19877705, 31804328, 39755410, 79510820, 159021640]

約数ペア:

[(1, 159021640), (2, 79510820), (4, 39755410), (5, 31804328), (8, 19877705), (10, 15902164), (19, 8369560), (20, 7951082), (38, 4184780), (40, 3975541), (76, 2092390), (89, 1786760), (95, 1673912), (152, 1046195), (178, 893380), (190, 836956), (356, 446690), (380, 418478), (445, 357352), (712, 223345), (760, 209239), (890, 178676), (1691, 94040), (1780, 89338), (2351, 67640), (3382, 47020), (3560, 44669), (4702, 33820), (6764, 23510), (8455, 18808), (9404, 16910), (11755, 13528)]