78507780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 238267008

約数和(自身を除く): 159759228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 251, 260, 390, 401, 502, 753, 780, 802, 1004, 1203, 1255, 1506, 1604, 2005, 2406, 2510, 3012, 3263, 3765, 4010, 4812, 5020, 5213, 6015, 6526, 7530, 8020, 9789, 10426, 12030, 13052, 15060, 15639, 16315, 19578, 20852, 24060, 26065, 31278, 32630, 39156, 48945, 52130, 62556, 65260, 78195, 97890, 100651, 104260, 156390, 195780, 201302, 301953, 312780, 402604, 503255, 603906, 1006510, 1207812, 1308463, 1509765, 2013020, 2616926, 3019530, 3925389, 5233852, 6039060, 6542315, 7850778, 13084630, 15701556, 19626945, 26169260, 39253890, 78507780]

約数ペア:

[(1, 78507780), (2, 39253890), (3, 26169260), (4, 19626945), (5, 15701556), (6, 13084630), (10, 7850778), (12, 6542315), (13, 6039060), (15, 5233852), (20, 3925389), (26, 3019530), (30, 2616926), (39, 2013020), (52, 1509765), (60, 1308463), (65, 1207812), (78, 1006510), (130, 603906), (156, 503255), (195, 402604), (251, 312780), (260, 301953), (390, 201302), (401, 195780), (502, 156390), (753, 104260), (780, 100651), (802, 97890), (1004, 78195), (1203, 65260), (1255, 62556), (1506, 52130), (1604, 48945), (2005, 39156), (2406, 32630), (2510, 31278), (3012, 26065), (3263, 24060), (3765, 20852), (4010, 19578), (4812, 16315), (5020, 15639), (5213, 15060), (6015, 13052), (6526, 12030), (7530, 10426), (8020, 9789)]