78862160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 209674080

約数和(自身を除く): 130811920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 169, 190, 208, 247, 260, 304, 307, 338, 380, 494, 520, 614, 676, 760, 845, 988, 1040, 1228, 1235, 1352, 1520, 1535, 1690, 1976, 2456, 2470, 2704, 3070, 3211, 3380, 3952, 3991, 4912, 4940, 5833, 6140, 6422, 6760, 7982, 9880, 11666, 12280, 12844, 13520, 15964, 16055, 19760, 19955, 23332, 24560, 25688, 29165, 31928, 32110, 39910, 46664, 51376, 51883, 58330, 63856, 64220, 75829, 79820, 93328, 103766, 116660, 128440, 151658, 159640, 207532, 233320, 256880, 259415, 303316, 319280, 379145, 415064, 466640, 518830, 606632, 758290, 830128, 985777, 1037660, 1213264, 1516580, 1971554, 2075320, 3033160, 3943108, 4150640, 4928885, 6066320, 7886216, 9857770, 15772432, 19715540, 39431080, 78862160]

約数ペア:

[(1, 78862160), (2, 39431080), (4, 19715540), (5, 15772432), (8, 9857770), (10, 7886216), (13, 6066320), (16, 4928885), (19, 4150640), (20, 3943108), (26, 3033160), (38, 2075320), (40, 1971554), (52, 1516580), (65, 1213264), (76, 1037660), (80, 985777), (95, 830128), (104, 758290), (130, 606632), (152, 518830), (169, 466640), (190, 415064), (208, 379145), (247, 319280), (260, 303316), (304, 259415), (307, 256880), (338, 233320), (380, 207532), (494, 159640), (520, 151658), (614, 128440), (676, 116660), (760, 103766), (845, 93328), (988, 79820), (1040, 75829), (1228, 64220), (1235, 63856), (1352, 58330), (1520, 51883), (1535, 51376), (1690, 46664), (1976, 39910), (2456, 32110), (2470, 31928), (2704, 29165), (3070, 25688), (3211, 24560), (3380, 23332), (3952, 19955), (3991, 19760), (4912, 16055), (4940, 15964), (5833, 13520), (6140, 12844), (6422, 12280), (6760, 11666), (7982, 9880)]