90140560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1976

約数の個数: 80

約数和(自身を含む): 227842560

約数和(自身を除く): 137702000

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, 380, 496, 589, 620, 760, 1178, 1240, 1520, 1913, 2356, 2480, 2945, 3826, 4712, 5890, 7652, 9424, 9565, 11780, 15304, 19130, 23560, 30608, 36347, 38260, 47120, 59303, 72694, 76520, 118606, 145388, 153040, 181735, 237212, 290776, 296515, 363470, 474424, 581552, 593030, 726940, 948848, 1126757, 1186060, 1453880, 2253514, 2372120, 2907760, 4507028, 4744240, 5633785, 9014056, 11267570, 18028112, 22535140, 45070280, 90140560]

約数ペア:

[(1, 90140560), (2, 45070280), (4, 22535140), (5, 18028112), (8, 11267570), (10, 9014056), (16, 5633785), (19, 4744240), (20, 4507028), (31, 2907760), (38, 2372120), (40, 2253514), (62, 1453880), (76, 1186060), (80, 1126757), (95, 948848), (124, 726940), (152, 593030), (155, 581552), (190, 474424), (248, 363470), (304, 296515), (310, 290776), (380, 237212), (496, 181735), (589, 153040), (620, 145388), (760, 118606), (1178, 76520), (1240, 72694), (1520, 59303), (1913, 47120), (2356, 38260), (2480, 36347), (2945, 30608), (3826, 23560), (4712, 19130), (5890, 15304), (7652, 11780), (9424, 9565)]