31580280

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{19}}^2$

素因数の和:70

約数の個数: 192

約数和(自身を含む): 112471200

約数和(自身を除く): 80890920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 243, 270, 285, 324, 342, 360, 361, 380, 405, 456, 486, 513, 540, 570, 648, 684, 722, 729, 760, 810, 855, 972, 1026, 1080, 1083, 1140, 1215, 1368, 1444, 1458, 1539, 1620, 1710, 1805, 1944, 2052, 2166, 2187, 2280, 2430, 2565, 2888, 2916, 3078, 3240, 3249, 3420, 3610, 3645, 4104, 4332, 4374, 4617, 4860, 5130, 5415, 5832, 6156, 6498, 6840, 7220, 7290, 7695, 8664, 8748, 9234, 9720, 9747, 10260, 10830, 10935, 12312, 12996, 13851, 14440, 14580, 15390, 16245, 17496, 18468, 19494, 20520, 21660, 21870, 23085, 25992, 27702, 29160, 29241, 30780, 32490, 36936, 38988, 41553, 43320, 43740, 46170, 48735, 55404, 58482, 61560, 64980, 69255, 77976, 83106, 87480, 87723, 92340, 97470, 110808, 116964, 129960, 138510, 146205, 166212, 175446, 184680, 194940, 207765, 233928, 263169, 277020, 292410, 332424, 350892, 389880, 415530, 438615, 526338, 554040, 584820, 701784, 789507, 831060, 877230, 1052676, 1169640, 1315845, 1579014, 1662120, 1754460, 2105352, 2631690, 3158028, 3508920, 3947535, 5263380, 6316056, 7895070, 10526760, 15790140, 31580280]

約数ペア:

[(1, 31580280), (2, 15790140), (3, 10526760), (4, 7895070), (5, 6316056), (6, 5263380), (8, 3947535), (9, 3508920), (10, 3158028), (12, 2631690), (15, 2105352), (18, 1754460), (19, 1662120), (20, 1579014), (24, 1315845), (27, 1169640), (30, 1052676), (36, 877230), (38, 831060), (40, 789507), (45, 701784), (54, 584820), (57, 554040), (60, 526338), (72, 438615), (76, 415530), (81, 389880), (90, 350892), (95, 332424), (108, 292410), (114, 277020), (120, 263169), (135, 233928), (152, 207765), (162, 194940), (171, 184680), (180, 175446), (190, 166212), (216, 146205), (228, 138510), (243, 129960), (270, 116964), (285, 110808), (324, 97470), (342, 92340), (360, 87723), (361, 87480), (380, 83106), (405, 77976), (456, 69255), (486, 64980), (513, 61560), (540, 58482), (570, 55404), (648, 48735), (684, 46170), (722, 43740), (729, 43320), (760, 41553), (810, 38988), (855, 36936), (972, 32490), (1026, 30780), (1080, 29241), (1083, 29160), (1140, 27702), (1215, 25992), (1368, 23085), (1444, 21870), (1458, 21660), (1539, 20520), (1620, 19494), (1710, 18468), (1805, 17496), (1944, 16245), (2052, 15390), (2166, 14580), (2187, 14440), (2280, 13851), (2430, 12996), (2565, 12312), (2888, 10935), (2916, 10830), (3078, 10260), (3240, 9747), (3249, 9720), (3420, 9234), (3610, 8748), (3645, 8664), (4104, 7695), (4332, 7290), (4374, 7220), (4617, 6840), (4860, 6498), (5130, 6156), (5415, 5832)]