1888537980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{4679}}^1$

素因数の和:4760

約数の個数: 144

約数和(自身を含む): 6245890560

約数和(自身を除く): 4357352580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 961, 1085, 1302, 1860, 1922, 2170, 2604, 2883, 3255, 3844, 4340, 4679, 4805, 5766, 6510, 6727, 9358, 9610, 11532, 13020, 13454, 14037, 14415, 18716, 19220, 20181, 23395, 26908, 28074, 28830, 32753, 33635, 40362, 46790, 56148, 57660, 65506, 67270, 70185, 80724, 93580, 98259, 100905, 131012, 134540, 140370, 145049, 163765, 196518, 201810, 280740, 290098, 327530, 393036, 403620, 435147, 491295, 580196, 655060, 725245, 870294, 982590, 1015343, 1450490, 1740588, 1965180, 2030686, 2175735, 2900980, 3046029, 4061372, 4351470, 4496519, 5076715, 6092058, 8702940, 8993038, 10153430, 12184116, 13489557, 15230145, 17986076, 20306860, 22482595, 26979114, 30460290, 31475633, 44965190, 53958228, 60920580, 62951266, 67447785, 89930380, 94426899, 125902532, 134895570, 157378165, 188853798, 269791140, 314756330, 377707596, 472134495, 629512660, 944268990, 1888537980]

約数ペア:

[(1, 1888537980), (2, 944268990), (3, 629512660), (4, 472134495), (5, 377707596), (6, 314756330), (7, 269791140), (10, 188853798), (12, 157378165), (14, 134895570), (15, 125902532), (20, 94426899), (21, 89930380), (28, 67447785), (30, 62951266), (31, 60920580), (35, 53958228), (42, 44965190), (60, 31475633), (62, 30460290), (70, 26979114), (84, 22482595), (93, 20306860), (105, 17986076), (124, 15230145), (140, 13489557), (155, 12184116), (186, 10153430), (210, 8993038), (217, 8702940), (310, 6092058), (372, 5076715), (420, 4496519), (434, 4351470), (465, 4061372), (620, 3046029), (651, 2900980), (868, 2175735), (930, 2030686), (961, 1965180), (1085, 1740588), (1302, 1450490), (1860, 1015343), (1922, 982590), (2170, 870294), (2604, 725245), (2883, 655060), (3255, 580196), (3844, 491295), (4340, 435147), (4679, 403620), (4805, 393036), (5766, 327530), (6510, 290098), (6727, 280740), (9358, 201810), (9610, 196518), (11532, 163765), (13020, 145049), (13454, 140370), (14037, 134540), (14415, 131012), (18716, 100905), (19220, 98259), (20181, 93580), (23395, 80724), (26908, 70185), (28074, 67270), (28830, 65506), (32753, 57660), (33635, 56148), (40362, 46790)]