31385340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 122895360

約数和(自身を除く): 91510020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 23, 27, 28, 30, 35, 36, 38, 42, 45, 46, 54, 57, 60, 63, 69, 70, 76, 84, 90, 92, 95, 105, 108, 114, 115, 126, 133, 135, 138, 140, 161, 171, 180, 189, 190, 207, 210, 228, 230, 252, 266, 270, 276, 285, 315, 322, 342, 345, 361, 378, 380, 399, 414, 420, 437, 460, 483, 513, 532, 540, 570, 621, 630, 644, 665, 684, 690, 722, 756, 798, 805, 828, 855, 874, 945, 966, 1026, 1035, 1083, 1140, 1197, 1242, 1260, 1311, 1330, 1380, 1444, 1449, 1596, 1610, 1710, 1748, 1805, 1890, 1932, 1995, 2052, 2070, 2166, 2185, 2394, 2415, 2484, 2527, 2565, 2622, 2660, 2898, 3059, 3105, 3220, 3249, 3420, 3591, 3610, 3780, 3933, 3990, 4140, 4332, 4347, 4370, 4788, 4830, 5054, 5130, 5244, 5415, 5796, 5985, 6118, 6210, 6498, 6555, 7182, 7220, 7245, 7581, 7866, 7980, 8303, 8694, 8740, 9177, 9660, 9747, 10108, 10260, 10830, 11799, 11970, 12236, 12420, 12635, 12996, 13110, 14364, 14490, 15162, 15295, 15732, 16245, 16606, 17388, 17955, 18354, 19494, 19665, 21660, 21735, 22743, 23598, 23940, 24909, 25270, 26220, 27531, 28980, 30324, 30590, 32490, 33212, 35910, 36708, 37905, 38988, 39330, 41515, 43470, 45486, 45885, 47196, 48735, 49818, 50540, 55062, 58121, 58995, 61180, 64980, 68229, 71820, 74727, 75810, 78660, 82593, 83030, 86940, 90972, 91770, 97470, 99636, 110124, 113715, 116242, 117990, 124545, 136458, 137655, 149454, 151620, 165186, 166060, 174363, 183540, 194940, 224181, 227430, 232484, 235980, 249090, 272916, 275310, 290605, 298908, 330372, 341145, 348726, 373635, 412965, 448362, 454860, 498180, 523089, 550620, 581210, 682290, 697452, 747270, 825930, 871815, 896724, 1046178, 1120905, 1162420, 1364580, 1494540, 1569267, 1651860, 1743630, 2092356, 2241810, 2615445, 3138534, 3487260, 4483620, 5230890, 6277068, 7846335, 10461780, 15692670, 31385340]

約数ペア:

[(1, 31385340), (2, 15692670), (3, 10461780), (4, 7846335), (5, 6277068), (6, 5230890), (7, 4483620), (9, 3487260), (10, 3138534), (12, 2615445), (14, 2241810), (15, 2092356), (18, 1743630), (19, 1651860), (20, 1569267), (21, 1494540), (23, 1364580), (27, 1162420), (28, 1120905), (30, 1046178), (35, 896724), (36, 871815), (38, 825930), (42, 747270), (45, 697452), (46, 682290), (54, 581210), (57, 550620), (60, 523089), (63, 498180), (69, 454860), (70, 448362), (76, 412965), (84, 373635), (90, 348726), (92, 341145), (95, 330372), (105, 298908), (108, 290605), (114, 275310), (115, 272916), (126, 249090), (133, 235980), (135, 232484), (138, 227430), (140, 224181), (161, 194940), (171, 183540), (180, 174363), (189, 166060), (190, 165186), (207, 151620), (210, 149454), (228, 137655), (230, 136458), (252, 124545), (266, 117990), (270, 116242), (276, 113715), (285, 110124), (315, 99636), (322, 97470), (342, 91770), (345, 90972), (361, 86940), (378, 83030), (380, 82593), (399, 78660), (414, 75810), (420, 74727), (437, 71820), (460, 68229), (483, 64980), (513, 61180), (532, 58995), (540, 58121), (570, 55062), (621, 50540), (630, 49818), (644, 48735), (665, 47196), (684, 45885), (690, 45486), (722, 43470), (756, 41515), (798, 39330), (805, 38988), (828, 37905), (855, 36708), (874, 35910), (945, 33212), (966, 32490), (1026, 30590), (1035, 30324), (1083, 28980), (1140, 27531), (1197, 26220), (1242, 25270), (1260, 24909), (1311, 23940), (1330, 23598), (1380, 22743), (1444, 21735), (1449, 21660), (1596, 19665), (1610, 19494), (1710, 18354), (1748, 17955), (1805, 17388), (1890, 16606), (1932, 16245), (1995, 15732), (2052, 15295), (2070, 15162), (2166, 14490), (2185, 14364), (2394, 13110), (2415, 12996), (2484, 12635), (2527, 12420), (2565, 12236), (2622, 11970), (2660, 11799), (2898, 10830), (3059, 10260), (3105, 10108), (3220, 9747), (3249, 9660), (3420, 9177), (3591, 8740), (3610, 8694), (3780, 8303), (3933, 7980), (3990, 7866), (4140, 7581), (4332, 7245), (4347, 7220), (4370, 7182), (4788, 6555), (4830, 6498), (5054, 6210), (5130, 6118), (5244, 5985), (5415, 5796)]