278832840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16287

約数の個数: 128

約数和(自身を含む): 982800000

約数和(自身を除く): 703967160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 5720, 8580, 16249, 17160, 32498, 48747, 64996, 81245, 97494, 129992, 162490, 178739, 194988, 211237, 243735, 324980, 357478, 389976, 422474, 487470, 536217, 633711, 649960, 714956, 844948, 893695, 974940, 1056185, 1072434, 1267422, 1429912, 1689896, 1787390, 1949880, 2112370, 2144868, 2323607, 2534844, 2681085, 3168555, 3574780, 4224740, 4289736, 4647214, 5069688, 5362170, 6337110, 6970821, 7149560, 8449480, 9294428, 10724340, 11618035, 12674220, 13941642, 18588856, 21448680, 23236070, 25348440, 27883284, 34854105, 46472140, 55766568, 69708210, 92944280, 139416420, 278832840]

約数ペア:

[(1, 278832840), (2, 139416420), (3, 92944280), (4, 69708210), (5, 55766568), (6, 46472140), (8, 34854105), (10, 27883284), (11, 25348440), (12, 23236070), (13, 21448680), (15, 18588856), (20, 13941642), (22, 12674220), (24, 11618035), (26, 10724340), (30, 9294428), (33, 8449480), (39, 7149560), (40, 6970821), (44, 6337110), (52, 5362170), (55, 5069688), (60, 4647214), (65, 4289736), (66, 4224740), (78, 3574780), (88, 3168555), (104, 2681085), (110, 2534844), (120, 2323607), (130, 2144868), (132, 2112370), (143, 1949880), (156, 1787390), (165, 1689896), (195, 1429912), (220, 1267422), (260, 1072434), (264, 1056185), (286, 974940), (312, 893695), (330, 844948), (390, 714956), (429, 649960), (440, 633711), (520, 536217), (572, 487470), (660, 422474), (715, 389976), (780, 357478), (858, 324980), (1144, 243735), (1320, 211237), (1430, 194988), (1560, 178739), (1716, 162490), (2145, 129992), (2860, 97494), (3432, 81245), (4290, 64996), (5720, 48747), (8580, 32498), (16249, 17160)]