31048920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{37}}^2$

素因数の和:104

約数の個数: 240

約数和(自身を含む): 122577840

約数和(自身を除く): 91528920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 37, 40, 42, 45, 54, 56, 60, 63, 70, 72, 74, 81, 84, 90, 105, 108, 111, 120, 126, 135, 140, 148, 162, 168, 180, 185, 189, 210, 216, 222, 252, 259, 270, 280, 296, 315, 324, 333, 360, 370, 378, 405, 420, 444, 504, 518, 540, 555, 567, 630, 648, 666, 740, 756, 777, 810, 840, 888, 945, 999, 1036, 1080, 1110, 1134, 1260, 1295, 1332, 1369, 1480, 1512, 1554, 1620, 1665, 1890, 1998, 2072, 2220, 2268, 2331, 2520, 2590, 2664, 2738, 2835, 2997, 3108, 3240, 3330, 3780, 3885, 3996, 4107, 4440, 4536, 4662, 4995, 5180, 5476, 5670, 5994, 6216, 6660, 6845, 6993, 7560, 7770, 7992, 8214, 9324, 9583, 9990, 10360, 10952, 11340, 11655, 11988, 12321, 13320, 13690, 13986, 14985, 15540, 16428, 18648, 19166, 19980, 20535, 20979, 22680, 23310, 23976, 24642, 27380, 27972, 28749, 29970, 31080, 32856, 34965, 36963, 38332, 39960, 41070, 41958, 46620, 47915, 49284, 54760, 55944, 57498, 59940, 61605, 69930, 73926, 76664, 82140, 83916, 86247, 93240, 95830, 98568, 104895, 110889, 114996, 119880, 123210, 139860, 143745, 147852, 164280, 167832, 172494, 184815, 191660, 209790, 221778, 229992, 246420, 258741, 279720, 287490, 295704, 344988, 369630, 383320, 419580, 431235, 443556, 492840, 517482, 554445, 574980, 689976, 739260, 776223, 839160, 862470, 887112, 1034964, 1108890, 1149960, 1293705, 1478520, 1552446, 1724940, 2069928, 2217780, 2587410, 3104892, 3449880, 3881115, 4435560, 5174820, 6209784, 7762230, 10349640, 15524460, 31048920]

約数ペア:

[(1, 31048920), (2, 15524460), (3, 10349640), (4, 7762230), (5, 6209784), (6, 5174820), (7, 4435560), (8, 3881115), (9, 3449880), (10, 3104892), (12, 2587410), (14, 2217780), (15, 2069928), (18, 1724940), (20, 1552446), (21, 1478520), (24, 1293705), (27, 1149960), (28, 1108890), (30, 1034964), (35, 887112), (36, 862470), (37, 839160), (40, 776223), (42, 739260), (45, 689976), (54, 574980), (56, 554445), (60, 517482), (63, 492840), (70, 443556), (72, 431235), (74, 419580), (81, 383320), (84, 369630), (90, 344988), (105, 295704), (108, 287490), (111, 279720), (120, 258741), (126, 246420), (135, 229992), (140, 221778), (148, 209790), (162, 191660), (168, 184815), (180, 172494), (185, 167832), (189, 164280), (210, 147852), (216, 143745), (222, 139860), (252, 123210), (259, 119880), (270, 114996), (280, 110889), (296, 104895), (315, 98568), (324, 95830), (333, 93240), (360, 86247), (370, 83916), (378, 82140), (405, 76664), (420, 73926), (444, 69930), (504, 61605), (518, 59940), (540, 57498), (555, 55944), (567, 54760), (630, 49284), (648, 47915), (666, 46620), (740, 41958), (756, 41070), (777, 39960), (810, 38332), (840, 36963), (888, 34965), (945, 32856), (999, 31080), (1036, 29970), (1080, 28749), (1110, 27972), (1134, 27380), (1260, 24642), (1295, 23976), (1332, 23310), (1369, 22680), (1480, 20979), (1512, 20535), (1554, 19980), (1620, 19166), (1665, 18648), (1890, 16428), (1998, 15540), (2072, 14985), (2220, 13986), (2268, 13690), (2331, 13320), (2520, 12321), (2590, 11988), (2664, 11655), (2738, 11340), (2835, 10952), (2997, 10360), (3108, 9990), (3240, 9583), (3330, 9324), (3780, 8214), (3885, 7992), (3996, 7770), (4107, 7560), (4440, 6993), (4536, 6845), (4662, 6660), (4995, 6216), (5180, 5994), (5476, 5670)]