1868520040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79309}}^1$

素因数の和:79370

約数の個数: 64

約数和(自身を含む): 4568256000

約数和(自身を除く): 2699735960

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, 5890, 11780, 23560, 79309, 158618, 317236, 396545, 634472, 793090, 1506871, 1586180, 2458579, 3013742, 3172360, 4917158, 6027484, 7534355, 9834316, 12054968, 12292895, 15068710, 19668632, 24585790, 30137420, 46713001, 49171580, 60274840, 93426002, 98343160, 186852004, 233565005, 373704008, 467130010, 934260020, 1868520040]

約数ペア:

[(1, 1868520040), (2, 934260020), (4, 467130010), (5, 373704008), (8, 233565005), (10, 186852004), (19, 98343160), (20, 93426002), (31, 60274840), (38, 49171580), (40, 46713001), (62, 30137420), (76, 24585790), (95, 19668632), (124, 15068710), (152, 12292895), (155, 12054968), (190, 9834316), (248, 7534355), (310, 6027484), (380, 4917158), (589, 3172360), (620, 3013742), (760, 2458579), (1178, 1586180), (1240, 1506871), (2356, 793090), (2945, 634472), (4712, 396545), (5890, 317236), (11780, 158618), (23560, 79309)]