131488360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5581}}^1$

素因数の和:5642

約数の個数: 64

約数和(自身を含む): 321523200

約数和(自身を除く): 190034840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5581, 5890, 11162, 11780, 22324, 23560, 27905, 44648, 55810, 106039, 111620, 173011, 212078, 223240, 346022, 424156, 530195, 692044, 848312, 865055, 1060390, 1384088, 1730110, 2120780, 3287209, 3460220, 4241560, 6574418, 6920440, 13148836, 16436045, 26297672, 32872090, 65744180, 131488360]

約数ペア:

[(1, 131488360), (2, 65744180), (4, 32872090), (5, 26297672), (8, 16436045), (10, 13148836), (19, 6920440), (20, 6574418), (31, 4241560), (38, 3460220), (40, 3287209), (62, 2120780), (76, 1730110), (95, 1384088), (124, 1060390), (152, 865055), (155, 848312), (190, 692044), (248, 530195), (310, 424156), (380, 346022), (589, 223240), (620, 212078), (760, 173011), (1178, 111620), (1240, 106039), (2356, 55810), (2945, 44648), (4712, 27905), (5581, 23560), (5890, 22324), (11162, 11780)]