30651560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 74995200

約数和(自身を除く): 44343640

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, 1301, 2356, 2602, 2945, 4712, 5204, 5890, 6505, 10408, 11780, 13010, 23560, 24719, 26020, 40331, 49438, 52040, 80662, 98876, 123595, 161324, 197752, 201655, 247190, 322648, 403310, 494380, 766289, 806620, 988760, 1532578, 1613240, 3065156, 3831445, 6130312, 7662890, 15325780, 30651560]

約数ペア:

[(1, 30651560), (2, 15325780), (4, 7662890), (5, 6130312), (8, 3831445), (10, 3065156), (19, 1613240), (20, 1532578), (31, 988760), (38, 806620), (40, 766289), (62, 494380), (76, 403310), (95, 322648), (124, 247190), (152, 201655), (155, 197752), (190, 161324), (248, 123595), (310, 98876), (380, 80662), (589, 52040), (620, 49438), (760, 40331), (1178, 26020), (1240, 24719), (1301, 23560), (2356, 13010), (2602, 11780), (2945, 10408), (4712, 6505), (5204, 5890)]