16916080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 25938320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 359, 380, 496, 589, 620, 718, 760, 1178, 1240, 1436, 1520, 1795, 2356, 2480, 2872, 2945, 3590, 4712, 5744, 5890, 6821, 7180, 9424, 11129, 11780, 13642, 14360, 22258, 23560, 27284, 28720, 34105, 44516, 47120, 54568, 55645, 68210, 89032, 109136, 111290, 136420, 178064, 211451, 222580, 272840, 422902, 445160, 545680, 845804, 890320, 1057255, 1691608, 2114510, 3383216, 4229020, 8458040, 16916080]

約数ペア:

[(1, 16916080), (2, 8458040), (4, 4229020), (5, 3383216), (8, 2114510), (10, 1691608), (16, 1057255), (19, 890320), (20, 845804), (31, 545680), (38, 445160), (40, 422902), (62, 272840), (76, 222580), (80, 211451), (95, 178064), (124, 136420), (152, 111290), (155, 109136), (190, 89032), (248, 68210), (304, 55645), (310, 54568), (359, 47120), (380, 44516), (496, 34105), (589, 28720), (620, 27284), (718, 23560), (760, 22258), (1178, 14360), (1240, 13642), (1436, 11780), (1520, 11129), (1795, 9424), (2356, 7180), (2480, 6821), (2872, 5890), (2945, 5744), (3590, 4712)]