128866920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11801}}^1$

素因数の和:11835

約数の個数: 128

約数和(自身を含む): 475856640

約数和(自身を除く): 346989720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 11801, 23602, 35403, 47204, 59005, 70806, 82607, 94408, 118010, 141612, 153413, 165214, 177015, 236020, 247821, 283224, 306826, 330428, 354030, 413035, 460239, 472040, 495642, 613652, 660856, 708060, 767065, 826070, 920478, 991284, 1073891, 1227304, 1239105, 1416120, 1534130, 1652140, 1840956, 1982568, 2147782, 2301195, 2478210, 3068260, 3221673, 3304280, 3681912, 4295564, 4602390, 4956420, 5369455, 6136520, 6443346, 8591128, 9204780, 9912840, 10738910, 12886692, 16108365, 18409560, 21477820, 25773384, 32216730, 42955640, 64433460, 128866920]

約数ペア:

[(1, 128866920), (2, 64433460), (3, 42955640), (4, 32216730), (5, 25773384), (6, 21477820), (7, 18409560), (8, 16108365), (10, 12886692), (12, 10738910), (13, 9912840), (14, 9204780), (15, 8591128), (20, 6443346), (21, 6136520), (24, 5369455), (26, 4956420), (28, 4602390), (30, 4295564), (35, 3681912), (39, 3304280), (40, 3221673), (42, 3068260), (52, 2478210), (56, 2301195), (60, 2147782), (65, 1982568), (70, 1840956), (78, 1652140), (84, 1534130), (91, 1416120), (104, 1239105), (105, 1227304), (120, 1073891), (130, 991284), (140, 920478), (156, 826070), (168, 767065), (182, 708060), (195, 660856), (210, 613652), (260, 495642), (273, 472040), (280, 460239), (312, 413035), (364, 354030), (390, 330428), (420, 306826), (455, 283224), (520, 247821), (546, 236020), (728, 177015), (780, 165214), (840, 153413), (910, 141612), (1092, 118010), (1365, 94408), (1560, 82607), (1820, 70806), (2184, 59005), (2730, 47204), (3640, 35403), (5460, 23602), (10920, 11801)]