1986807816320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1\times {\mathrm{102499}}^1$

素因数の和:103526

約数の個数: 128

約数和(自身を含む): 4907995200000

約数和(自身を除く): 2921187383680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 977, 992, 1240, 1954, 1984, 2480, 3908, 3968, 4885, 4960, 7816, 9770, 9920, 15632, 19540, 19840, 30287, 31264, 39080, 60574, 62528, 78160, 102499, 121148, 125056, 151435, 156320, 204998, 242296, 302870, 312640, 409996, 484592, 512495, 605740, 625280, 819992, 969184, 1024990, 1211480, 1639984, 1938368, 2049980, 2422960, 3177469, 3279968, 3876736, 4099960, 4845920, 6354938, 6559936, 8199920, 9691840, 12709876, 13119872, 15887345, 16399840, 19383680, 25419752, 31774690, 32799680, 50839504, 63549380, 65599360, 100141523, 101679008, 127098760, 200283046, 203358016, 254197520, 400566092, 406716032, 500707615, 508395040, 801132184, 1001415230, 1016790080, 1602264368, 2002830460, 2033580160, 3104387213, 3204528736, 4005660920, 6208774426, 6409057472, 8011321840, 12417548852, 12818114944, 15521936065, 16022643680, 24835097704, 31043872130, 32045287360, 49670195408, 62087744260, 64090574720, 99340390816, 124175488520, 198680781632, 248350977040, 397361563264, 496701954080, 993403908160, 1986807816320]

約数ペア:

[(1, 1986807816320), (2, 993403908160), (4, 496701954080), (5, 397361563264), (8, 248350977040), (10, 198680781632), (16, 124175488520), (20, 99340390816), (31, 64090574720), (32, 62087744260), (40, 49670195408), (62, 32045287360), (64, 31043872130), (80, 24835097704), (124, 16022643680), (128, 15521936065), (155, 12818114944), (160, 12417548852), (248, 8011321840), (310, 6409057472), (320, 6208774426), (496, 4005660920), (620, 3204528736), (640, 3104387213), (977, 2033580160), (992, 2002830460), (1240, 1602264368), (1954, 1016790080), (1984, 1001415230), (2480, 801132184), (3908, 508395040), (3968, 500707615), (4885, 406716032), (4960, 400566092), (7816, 254197520), (9770, 203358016), (9920, 200283046), (15632, 127098760), (19540, 101679008), (19840, 100141523), (30287, 65599360), (31264, 63549380), (39080, 50839504), (60574, 32799680), (62528, 31774690), (78160, 25419752), (102499, 19383680), (121148, 16399840), (125056, 15887345), (151435, 13119872), (156320, 12709876), (204998, 9691840), (242296, 8199920), (302870, 6559936), (312640, 6354938), (409996, 4845920), (484592, 4099960), (512495, 3876736), (605740, 3279968), (625280, 3177469), (819992, 2422960), (969184, 2049980), (1024990, 1938368), (1211480, 1639984)]