81893040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17959}}^1$

素因数の和:17994

約数の個数: 80

約数和(自身を含む): 267244800

約数和(自身を除く): 185351760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 17959, 35918, 53877, 71836, 89795, 107754, 143672, 179590, 215508, 269385, 287344, 341221, 359180, 431016, 538770, 682442, 718360, 862032, 1023663, 1077540, 1364884, 1436720, 1706105, 2047326, 2155080, 2729768, 3412210, 4094652, 4310160, 5118315, 5459536, 6824420, 8189304, 10236630, 13648840, 16378608, 20473260, 27297680, 40946520, 81893040]

約数ペア:

[(1, 81893040), (2, 40946520), (3, 27297680), (4, 20473260), (5, 16378608), (6, 13648840), (8, 10236630), (10, 8189304), (12, 6824420), (15, 5459536), (16, 5118315), (19, 4310160), (20, 4094652), (24, 3412210), (30, 2729768), (38, 2155080), (40, 2047326), (48, 1706105), (57, 1436720), (60, 1364884), (76, 1077540), (80, 1023663), (95, 862032), (114, 718360), (120, 682442), (152, 538770), (190, 431016), (228, 359180), (240, 341221), (285, 287344), (304, 269385), (380, 215508), (456, 179590), (570, 143672), (760, 107754), (912, 89795), (1140, 71836), (1520, 53877), (2280, 35918), (4560, 17959)]