71688120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2805

約数の個数: 128

約数和(自身を含む): 253808640

約数和(自身を除く): 182120520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 2753, 3255, 3720, 4340, 5208, 5506, 6510, 8259, 8680, 11012, 13020, 13765, 16518, 19271, 22024, 26040, 27530, 33036, 38542, 41295, 55060, 57813, 66072, 77084, 82590, 85343, 96355, 110120, 115626, 154168, 165180, 170686, 192710, 231252, 256029, 289065, 330360, 341372, 385420, 426715, 462504, 512058, 578130, 597401, 682744, 770840, 853430, 1024116, 1156260, 1194802, 1280145, 1706860, 1792203, 2048232, 2312520, 2389604, 2560290, 2987005, 3413720, 3584406, 4779208, 5120580, 5974010, 7168812, 8961015, 10241160, 11948020, 14337624, 17922030, 23896040, 35844060, 71688120]

約数ペア:

[(1, 71688120), (2, 35844060), (3, 23896040), (4, 17922030), (5, 14337624), (6, 11948020), (7, 10241160), (8, 8961015), (10, 7168812), (12, 5974010), (14, 5120580), (15, 4779208), (20, 3584406), (21, 3413720), (24, 2987005), (28, 2560290), (30, 2389604), (31, 2312520), (35, 2048232), (40, 1792203), (42, 1706860), (56, 1280145), (60, 1194802), (62, 1156260), (70, 1024116), (84, 853430), (93, 770840), (105, 682744), (120, 597401), (124, 578130), (140, 512058), (155, 462504), (168, 426715), (186, 385420), (210, 341372), (217, 330360), (248, 289065), (280, 256029), (310, 231252), (372, 192710), (420, 170686), (434, 165180), (465, 154168), (620, 115626), (651, 110120), (744, 96355), (840, 85343), (868, 82590), (930, 77084), (1085, 66072), (1240, 57813), (1302, 55060), (1736, 41295), (1860, 38542), (2170, 33036), (2604, 27530), (2753, 26040), (3255, 22024), (3720, 19271), (4340, 16518), (5208, 13765), (5506, 13020), (6510, 11012), (8259, 8680)]