1320245360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1399

約数の個数: 160

約数和(自身を含む): 3685478400

約数和(自身を除く): 2365233040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 59, 62, 70, 80, 112, 118, 124, 140, 155, 217, 236, 248, 280, 295, 310, 413, 434, 472, 496, 560, 590, 620, 826, 868, 944, 1085, 1180, 1240, 1289, 1652, 1736, 1829, 2065, 2170, 2360, 2480, 2578, 3304, 3472, 3658, 4130, 4340, 4720, 5156, 6445, 6608, 7316, 8260, 8680, 9023, 9145, 10312, 12803, 12890, 14632, 16520, 17360, 18046, 18290, 20624, 25606, 25780, 29264, 33040, 36092, 36580, 39959, 45115, 51212, 51560, 64015, 72184, 73160, 76051, 79918, 90230, 102424, 103120, 128030, 144368, 146320, 152102, 159836, 180460, 199795, 204848, 256060, 279713, 304204, 319672, 360920, 380255, 399590, 512120, 532357, 559426, 608408, 639344, 721840, 760510, 799180, 1024240, 1064714, 1118852, 1216816, 1398565, 1521020, 1598360, 2129428, 2237704, 2357581, 2661785, 2797130, 3042040, 3196720, 4258856, 4475408, 4715162, 5323570, 5594260, 6084080, 8517712, 9430324, 10647140, 11188520, 11787905, 16503067, 18860648, 21294280, 22377040, 23575810, 33006134, 37721296, 42588560, 47151620, 66012268, 82515335, 94303240, 132024536, 165030670, 188606480, 264049072, 330061340, 660122680, 1320245360]

約数ペア:

[(1, 1320245360), (2, 660122680), (4, 330061340), (5, 264049072), (7, 188606480), (8, 165030670), (10, 132024536), (14, 94303240), (16, 82515335), (20, 66012268), (28, 47151620), (31, 42588560), (35, 37721296), (40, 33006134), (56, 23575810), (59, 22377040), (62, 21294280), (70, 18860648), (80, 16503067), (112, 11787905), (118, 11188520), (124, 10647140), (140, 9430324), (155, 8517712), (217, 6084080), (236, 5594260), (248, 5323570), (280, 4715162), (295, 4475408), (310, 4258856), (413, 3196720), (434, 3042040), (472, 2797130), (496, 2661785), (560, 2357581), (590, 2237704), (620, 2129428), (826, 1598360), (868, 1521020), (944, 1398565), (1085, 1216816), (1180, 1118852), (1240, 1064714), (1289, 1024240), (1652, 799180), (1736, 760510), (1829, 721840), (2065, 639344), (2170, 608408), (2360, 559426), (2480, 532357), (2578, 512120), (3304, 399590), (3472, 380255), (3658, 360920), (4130, 319672), (4340, 304204), (4720, 279713), (5156, 256060), (6445, 204848), (6608, 199795), (7316, 180460), (8260, 159836), (8680, 152102), (9023, 146320), (9145, 144368), (10312, 128030), (12803, 103120), (12890, 102424), (14632, 90230), (16520, 79918), (17360, 76051), (18046, 73160), (18290, 72184), (20624, 64015), (25606, 51560), (25780, 51212), (29264, 45115), (33040, 39959), (36092, 36580)]