78564780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2711}}^1$

素因数の和:2756

約数の個数: 144

約数和(自身を含む): 284304384

約数和(自身を除く): 205739604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2711, 2898, 3220, 4140, 4830, 5422, 5796, 7245, 8133, 9660, 10844, 13555, 14490, 16266, 18977, 24399, 27110, 28980, 32532, 37954, 40665, 48798, 54220, 56931, 62353, 75908, 81330, 94885, 97596, 113862, 121995, 124706, 162660, 170793, 187059, 189770, 227724, 243990, 249412, 284655, 311765, 341586, 374118, 379540, 436471, 487980, 561177, 569310, 623530, 683172, 748236, 853965, 872942, 935295, 1122354, 1138620, 1247060, 1309413, 1707930, 1745884, 1870590, 2182355, 2244708, 2618826, 2805885, 3415860, 3741180, 3928239, 4364710, 5237652, 5611770, 6547065, 7856478, 8729420, 11223540, 13094130, 15712956, 19641195, 26188260, 39282390, 78564780]

約数ペア:

[(1, 78564780), (2, 39282390), (3, 26188260), (4, 19641195), (5, 15712956), (6, 13094130), (7, 11223540), (9, 8729420), (10, 7856478), (12, 6547065), (14, 5611770), (15, 5237652), (18, 4364710), (20, 3928239), (21, 3741180), (23, 3415860), (28, 2805885), (30, 2618826), (35, 2244708), (36, 2182355), (42, 1870590), (45, 1745884), (46, 1707930), (60, 1309413), (63, 1247060), (69, 1138620), (70, 1122354), (84, 935295), (90, 872942), (92, 853965), (105, 748236), (115, 683172), (126, 623530), (138, 569310), (140, 561177), (161, 487980), (180, 436471), (207, 379540), (210, 374118), (230, 341586), (252, 311765), (276, 284655), (315, 249412), (322, 243990), (345, 227724), (414, 189770), (420, 187059), (460, 170793), (483, 162660), (630, 124706), (644, 121995), (690, 113862), (805, 97596), (828, 94885), (966, 81330), (1035, 75908), (1260, 62353), (1380, 56931), (1449, 54220), (1610, 48798), (1932, 40665), (2070, 37954), (2415, 32532), (2711, 28980), (2898, 27110), (3220, 24399), (4140, 18977), (4830, 16266), (5422, 14490), (5796, 13555), (7245, 10844), (8133, 9660)]