31975560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 109771200

約数和(自身を除く): 77795640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 139, 142, 162, 180, 213, 216, 270, 278, 284, 324, 355, 360, 405, 417, 426, 540, 556, 568, 639, 648, 695, 710, 810, 834, 852, 1065, 1080, 1112, 1251, 1278, 1390, 1420, 1620, 1668, 1704, 1917, 2085, 2130, 2502, 2556, 2780, 2840, 3195, 3240, 3336, 3753, 3834, 4170, 4260, 5004, 5112, 5560, 5751, 6255, 6390, 7506, 7668, 8340, 8520, 9585, 9869, 10008, 11259, 11502, 12510, 12780, 15012, 15336, 16680, 18765, 19170, 19738, 22518, 23004, 25020, 25560, 28755, 29607, 30024, 37530, 38340, 39476, 45036, 46008, 49345, 50040, 56295, 57510, 59214, 75060, 76680, 78952, 88821, 90072, 98690, 112590, 115020, 118428, 148035, 150120, 177642, 197380, 225180, 230040, 236856, 266463, 296070, 355284, 394760, 444105, 450360, 532926, 592140, 710568, 799389, 888210, 1065852, 1184280, 1332315, 1598778, 1776420, 2131704, 2664630, 3197556, 3552840, 3996945, 5329260, 6395112, 7993890, 10658520, 15987780, 31975560]

約数ペア:

[(1, 31975560), (2, 15987780), (3, 10658520), (4, 7993890), (5, 6395112), (6, 5329260), (8, 3996945), (9, 3552840), (10, 3197556), (12, 2664630), (15, 2131704), (18, 1776420), (20, 1598778), (24, 1332315), (27, 1184280), (30, 1065852), (36, 888210), (40, 799389), (45, 710568), (54, 592140), (60, 532926), (71, 450360), (72, 444105), (81, 394760), (90, 355284), (108, 296070), (120, 266463), (135, 236856), (139, 230040), (142, 225180), (162, 197380), (180, 177642), (213, 150120), (216, 148035), (270, 118428), (278, 115020), (284, 112590), (324, 98690), (355, 90072), (360, 88821), (405, 78952), (417, 76680), (426, 75060), (540, 59214), (556, 57510), (568, 56295), (639, 50040), (648, 49345), (695, 46008), (710, 45036), (810, 39476), (834, 38340), (852, 37530), (1065, 30024), (1080, 29607), (1112, 28755), (1251, 25560), (1278, 25020), (1390, 23004), (1420, 22518), (1620, 19738), (1668, 19170), (1704, 18765), (1917, 16680), (2085, 15336), (2130, 15012), (2502, 12780), (2556, 12510), (2780, 11502), (2840, 11259), (3195, 10008), (3240, 9869), (3336, 9585), (3753, 8520), (3834, 8340), (4170, 7668), (4260, 7506), (5004, 6390), (5112, 6255), (5560, 5751)]