256108980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7247}}^1$

素因数の和:7309

約数の個数: 96

約数和(自身を含む): 779304960

約数和(自身を除く): 523195980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2356, 2945, 3534, 5890, 7068, 7247, 8835, 11780, 14494, 17670, 21741, 28988, 35340, 36235, 43482, 72470, 86964, 108705, 137693, 144940, 217410, 224657, 275386, 413079, 434820, 449314, 550772, 673971, 688465, 826158, 898628, 1123285, 1347942, 1376930, 1652316, 2065395, 2246570, 2695884, 2753860, 3369855, 4130790, 4268483, 4493140, 6739710, 8261580, 8536966, 12805449, 13479420, 17073932, 21342415, 25610898, 42684830, 51221796, 64027245, 85369660, 128054490, 256108980]

約数ペア:

[(1, 256108980), (2, 128054490), (3, 85369660), (4, 64027245), (5, 51221796), (6, 42684830), (10, 25610898), (12, 21342415), (15, 17073932), (19, 13479420), (20, 12805449), (30, 8536966), (31, 8261580), (38, 6739710), (57, 4493140), (60, 4268483), (62, 4130790), (76, 3369855), (93, 2753860), (95, 2695884), (114, 2246570), (124, 2065395), (155, 1652316), (186, 1376930), (190, 1347942), (228, 1123285), (285, 898628), (310, 826158), (372, 688465), (380, 673971), (465, 550772), (570, 449314), (589, 434820), (620, 413079), (930, 275386), (1140, 224657), (1178, 217410), (1767, 144940), (1860, 137693), (2356, 108705), (2945, 86964), (3534, 72470), (5890, 43482), (7068, 36235), (7247, 35340), (8835, 28988), (11780, 21741), (14494, 17670)]