78554580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 243984384

約数和(自身を除く): 165429804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 127, 130, 156, 169, 183, 195, 244, 254, 260, 305, 338, 366, 381, 390, 507, 508, 610, 635, 676, 732, 762, 780, 793, 845, 915, 1014, 1220, 1270, 1524, 1586, 1651, 1690, 1830, 1905, 2028, 2379, 2535, 2540, 3172, 3302, 3380, 3660, 3810, 3965, 4758, 4953, 5070, 6604, 7620, 7747, 7930, 8255, 9516, 9906, 10140, 10309, 11895, 15494, 15860, 16510, 19812, 20618, 21463, 23241, 23790, 24765, 30927, 30988, 33020, 38735, 41236, 42926, 46482, 47580, 49530, 51545, 61854, 64389, 77470, 85852, 92964, 99060, 100711, 103090, 107315, 116205, 123708, 128778, 154635, 154940, 201422, 206180, 214630, 232410, 257556, 302133, 309270, 321945, 402844, 429260, 464820, 503555, 604266, 618540, 643890, 1007110, 1208532, 1287780, 1309243, 1510665, 2014220, 2618486, 3021330, 3927729, 5236972, 6042660, 6546215, 7855458, 13092430, 15710916, 19638645, 26184860, 39277290, 78554580]

約数ペア:

[(1, 78554580), (2, 39277290), (3, 26184860), (4, 19638645), (5, 15710916), (6, 13092430), (10, 7855458), (12, 6546215), (13, 6042660), (15, 5236972), (20, 3927729), (26, 3021330), (30, 2618486), (39, 2014220), (52, 1510665), (60, 1309243), (61, 1287780), (65, 1208532), (78, 1007110), (122, 643890), (127, 618540), (130, 604266), (156, 503555), (169, 464820), (183, 429260), (195, 402844), (244, 321945), (254, 309270), (260, 302133), (305, 257556), (338, 232410), (366, 214630), (381, 206180), (390, 201422), (507, 154940), (508, 154635), (610, 128778), (635, 123708), (676, 116205), (732, 107315), (762, 103090), (780, 100711), (793, 99060), (845, 92964), (915, 85852), (1014, 77470), (1220, 64389), (1270, 61854), (1524, 51545), (1586, 49530), (1651, 47580), (1690, 46482), (1830, 42926), (1905, 41236), (2028, 38735), (2379, 33020), (2535, 30988), (2540, 30927), (3172, 24765), (3302, 23790), (3380, 23241), (3660, 21463), (3810, 20618), (3965, 19812), (4758, 16510), (4953, 15860), (5070, 15494), (6604, 11895), (7620, 10309), (7747, 10140), (7930, 9906), (8255, 9516)]