28714140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1753}}^1$

素因数の和:1788

約数の個数: 144

約数和(自身を含む): 107260608

約数和(自身を除く): 78546468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1753, 1820, 2340, 2730, 3276, 3506, 4095, 5259, 5460, 7012, 8190, 8765, 10518, 12271, 15777, 16380, 17530, 21036, 22789, 24542, 26295, 31554, 35060, 36813, 45578, 49084, 52590, 61355, 63108, 68367, 73626, 78885, 91156, 105180, 110439, 113945, 122710, 136734, 147252, 157770, 159523, 184065, 205101, 220878, 227890, 245420, 273468, 315540, 319046, 341835, 368130, 410202, 441756, 455780, 478569, 552195, 638092, 683670, 736260, 797615, 820404, 957138, 1025505, 1104390, 1367340, 1435707, 1595230, 1914276, 2051010, 2208780, 2392845, 2871414, 3190460, 4102020, 4785690, 5742828, 7178535, 9571380, 14357070, 28714140]

約数ペア:

[(1, 28714140), (2, 14357070), (3, 9571380), (4, 7178535), (5, 5742828), (6, 4785690), (7, 4102020), (9, 3190460), (10, 2871414), (12, 2392845), (13, 2208780), (14, 2051010), (15, 1914276), (18, 1595230), (20, 1435707), (21, 1367340), (26, 1104390), (28, 1025505), (30, 957138), (35, 820404), (36, 797615), (39, 736260), (42, 683670), (45, 638092), (52, 552195), (60, 478569), (63, 455780), (65, 441756), (70, 410202), (78, 368130), (84, 341835), (90, 319046), (91, 315540), (105, 273468), (117, 245420), (126, 227890), (130, 220878), (140, 205101), (156, 184065), (180, 159523), (182, 157770), (195, 147252), (210, 136734), (234, 122710), (252, 113945), (260, 110439), (273, 105180), (315, 91156), (364, 78885), (390, 73626), (420, 68367), (455, 63108), (468, 61355), (546, 52590), (585, 49084), (630, 45578), (780, 36813), (819, 35060), (910, 31554), (1092, 26295), (1170, 24542), (1260, 22789), (1365, 21036), (1638, 17530), (1753, 16380), (1820, 15777), (2340, 12271), (2730, 10518), (3276, 8765), (3506, 8190), (4095, 7012), (5259, 5460)]