161321520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21683}}^1$

素因数の和:21730

約数の個数: 80

約数和(自身を含む): 516252672

約数和(自身を除く): 354931152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 21683, 43366, 65049, 86732, 108415, 130098, 173464, 216830, 260196, 325245, 346928, 433660, 520392, 650490, 672173, 867320, 1040784, 1300980, 1344346, 1734640, 2016519, 2601960, 2688692, 3360865, 4033038, 5203920, 5377384, 6721730, 8066076, 10082595, 10754768, 13443460, 16132152, 20165190, 26886920, 32264304, 40330380, 53773840, 80660760, 161321520]

約数ペア:

[(1, 161321520), (2, 80660760), (3, 53773840), (4, 40330380), (5, 32264304), (6, 26886920), (8, 20165190), (10, 16132152), (12, 13443460), (15, 10754768), (16, 10082595), (20, 8066076), (24, 6721730), (30, 5377384), (31, 5203920), (40, 4033038), (48, 3360865), (60, 2688692), (62, 2601960), (80, 2016519), (93, 1734640), (120, 1344346), (124, 1300980), (155, 1040784), (186, 867320), (240, 672173), (248, 650490), (310, 520392), (372, 433660), (465, 346928), (496, 325245), (620, 260196), (744, 216830), (930, 173464), (1240, 130098), (1488, 108415), (1860, 86732), (2480, 65049), (3720, 43366), (7440, 21683)]