30871854

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 80

約数和(自身を含む): 75742128

約数和(自身を除く): 44870274

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 107, 117, 137, 162, 214, 234, 274, 321, 351, 411, 642, 702, 822, 963, 1053, 1233, 1391, 1781, 1926, 2106, 2466, 2782, 2889, 3562, 3699, 4173, 5343, 5778, 7398, 8346, 8667, 10686, 11097, 12519, 14659, 16029, 17334, 22194, 25038, 29318, 32058, 37557, 43977, 48087, 75114, 87954, 96174, 112671, 131931, 144261, 190567, 225342, 263862, 288522, 381134, 395793, 571701, 791586, 1143402, 1187379, 1715103, 2374758, 3430206, 5145309, 10290618, 15435927, 30871854]

約数ペア:

[(1, 30871854), (2, 15435927), (3, 10290618), (6, 5145309), (9, 3430206), (13, 2374758), (18, 1715103), (26, 1187379), (27, 1143402), (39, 791586), (54, 571701), (78, 395793), (81, 381134), (107, 288522), (117, 263862), (137, 225342), (162, 190567), (214, 144261), (234, 131931), (274, 112671), (321, 96174), (351, 87954), (411, 75114), (642, 48087), (702, 43977), (822, 37557), (963, 32058), (1053, 29318), (1233, 25038), (1391, 22194), (1781, 17334), (1926, 16029), (2106, 14659), (2466, 12519), (2782, 11097), (2889, 10686), (3562, 8667), (3699, 8346), (4173, 7398), (5343, 5778)]