19877150280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{64679}}^1$

素因数の和:64903

約数の個数: 128

約数和(自身を含む): 64545465600

約数和(自身を除く): 44668315320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 260, 312, 390, 394, 520, 591, 780, 788, 985, 1182, 1560, 1576, 1970, 2364, 2561, 2955, 3940, 4728, 5122, 5910, 7683, 7880, 10244, 11820, 12805, 15366, 20488, 23640, 25610, 30732, 38415, 51220, 61464, 64679, 76830, 102440, 129358, 153660, 194037, 258716, 307320, 323395, 388074, 517432, 646790, 776148, 840827, 970185, 1293580, 1552296, 1681654, 1940370, 2522481, 2587160, 3363308, 3880740, 4204135, 5044962, 6726616, 7761480, 8408270, 10089924, 12612405, 12741763, 16816540, 20179848, 25224810, 25483526, 33633080, 38225289, 50449620, 50967052, 63708815, 76450578, 100899240, 101934104, 127417630, 152901156, 165642919, 191126445, 254835260, 305802312, 331285838, 382252890, 496928757, 509670520, 662571676, 764505780, 828214595, 993857514, 1325143352, 1529011560, 1656429190, 1987715028, 2484643785, 3312858380, 3975430056, 4969287570, 6625716760, 9938575140, 19877150280]

約数ペア:

[(1, 19877150280), (2, 9938575140), (3, 6625716760), (4, 4969287570), (5, 3975430056), (6, 3312858380), (8, 2484643785), (10, 1987715028), (12, 1656429190), (13, 1529011560), (15, 1325143352), (20, 993857514), (24, 828214595), (26, 764505780), (30, 662571676), (39, 509670520), (40, 496928757), (52, 382252890), (60, 331285838), (65, 305802312), (78, 254835260), (104, 191126445), (120, 165642919), (130, 152901156), (156, 127417630), (195, 101934104), (197, 100899240), (260, 76450578), (312, 63708815), (390, 50967052), (394, 50449620), (520, 38225289), (591, 33633080), (780, 25483526), (788, 25224810), (985, 20179848), (1182, 16816540), (1560, 12741763), (1576, 12612405), (1970, 10089924), (2364, 8408270), (2561, 7761480), (2955, 6726616), (3940, 5044962), (4728, 4204135), (5122, 3880740), (5910, 3363308), (7683, 2587160), (7880, 2522481), (10244, 1940370), (11820, 1681654), (12805, 1552296), (15366, 1293580), (20488, 970185), (23640, 840827), (25610, 776148), (30732, 646790), (38415, 517432), (51220, 388074), (61464, 323395), (64679, 307320), (76830, 258716), (102440, 194037), (129358, 153660)]