123005240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5581}}^1$

素因数の和:5640

約数の個数: 64

約数和(自身を含む): 301428000

約数和(自身を除く): 178422760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 760, 1102, 1160, 2204, 2755, 4408, 5510, 5581, 11020, 11162, 22040, 22324, 27905, 44648, 55810, 106039, 111620, 161849, 212078, 223240, 323698, 424156, 530195, 647396, 809245, 848312, 1060390, 1294792, 1618490, 2120780, 3075131, 3236980, 4241560, 6150262, 6473960, 12300524, 15375655, 24601048, 30751310, 61502620, 123005240]

約数ペア:

[(1, 123005240), (2, 61502620), (4, 30751310), (5, 24601048), (8, 15375655), (10, 12300524), (19, 6473960), (20, 6150262), (29, 4241560), (38, 3236980), (40, 3075131), (58, 2120780), (76, 1618490), (95, 1294792), (116, 1060390), (145, 848312), (152, 809245), (190, 647396), (232, 530195), (290, 424156), (380, 323698), (551, 223240), (580, 212078), (760, 161849), (1102, 111620), (1160, 106039), (2204, 55810), (2755, 44648), (4408, 27905), (5510, 22324), (5581, 22040), (11020, 11162)]