64677520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2503}}^1$

素因数の和:2552

約数の個数: 80

約数和(自身を含む): 167667840

約数和(自身を除く): 102990320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2503, 2584, 3230, 5006, 5168, 6460, 10012, 12515, 12920, 20024, 25030, 25840, 40048, 42551, 47557, 50060, 85102, 95114, 100120, 170204, 190228, 200240, 212755, 237785, 340408, 380456, 425510, 475570, 680816, 760912, 808469, 851020, 951140, 1616938, 1702040, 1902280, 3233876, 3404080, 3804560, 4042345, 6467752, 8084690, 12935504, 16169380, 32338760, 64677520]

約数ペア:

[(1, 64677520), (2, 32338760), (4, 16169380), (5, 12935504), (8, 8084690), (10, 6467752), (16, 4042345), (17, 3804560), (19, 3404080), (20, 3233876), (34, 1902280), (38, 1702040), (40, 1616938), (68, 951140), (76, 851020), (80, 808469), (85, 760912), (95, 680816), (136, 475570), (152, 425510), (170, 380456), (190, 340408), (272, 237785), (304, 212755), (323, 200240), (340, 190228), (380, 170204), (646, 100120), (680, 95114), (760, 85102), (1292, 50060), (1360, 47557), (1520, 42551), (1615, 40048), (2503, 25840), (2584, 25030), (3230, 20024), (5006, 12920), (5168, 12515), (6460, 10012)]