31628520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1$

素因数の和:205

約数の個数: 288

約数和(自身を含む): 131245920

約数和(自身を除く): 99617400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 49, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 98, 99, 105, 110, 120, 126, 132, 140, 147, 154, 163, 165, 168, 180, 196, 198, 210, 220, 231, 245, 252, 264, 280, 294, 308, 315, 326, 330, 360, 385, 392, 396, 420, 440, 441, 462, 489, 490, 495, 504, 539, 588, 616, 630, 652, 660, 693, 735, 770, 792, 815, 840, 882, 924, 978, 980, 990, 1078, 1141, 1155, 1176, 1260, 1304, 1320, 1386, 1467, 1470, 1540, 1617, 1630, 1764, 1793, 1848, 1956, 1960, 1980, 2156, 2205, 2282, 2310, 2445, 2520, 2695, 2772, 2934, 2940, 3080, 3234, 3260, 3423, 3465, 3528, 3586, 3912, 3960, 4312, 4410, 4564, 4620, 4851, 4890, 5379, 5390, 5544, 5705, 5868, 5880, 6468, 6520, 6846, 6930, 7172, 7335, 7987, 8085, 8820, 8965, 9128, 9240, 9702, 9780, 10269, 10758, 10780, 11410, 11736, 12551, 12936, 13692, 13860, 14344, 14670, 15974, 16137, 16170, 17115, 17640, 17930, 19404, 19560, 20538, 21516, 21560, 22820, 23961, 24255, 25102, 26895, 27384, 27720, 29340, 31948, 32274, 32340, 34230, 35860, 37653, 38808, 39935, 41076, 43032, 45640, 47922, 48510, 50204, 51345, 53790, 58680, 62755, 63896, 64548, 64680, 68460, 71720, 71883, 75306, 79870, 80685, 82152, 87857, 95844, 97020, 100408, 102690, 107580, 112959, 119805, 125510, 129096, 136920, 143766, 150612, 159740, 161370, 175714, 188265, 191688, 194040, 205380, 215160, 225918, 239610, 251020, 263571, 287532, 301224, 319480, 322740, 351428, 359415, 376530, 410760, 439285, 451836, 479220, 502040, 527142, 564795, 575064, 645480, 702856, 718830, 753060, 790713, 878570, 903672, 958440, 1054284, 1129590, 1317855, 1437660, 1506120, 1581426, 1757140, 2108568, 2259180, 2635710, 2875320, 3162852, 3514280, 3953565, 4518360, 5271420, 6325704, 7907130, 10542840, 15814260, 31628520]

約数ペア:

[(1, 31628520), (2, 15814260), (3, 10542840), (4, 7907130), (5, 6325704), (6, 5271420), (7, 4518360), (8, 3953565), (9, 3514280), (10, 3162852), (11, 2875320), (12, 2635710), (14, 2259180), (15, 2108568), (18, 1757140), (20, 1581426), (21, 1506120), (22, 1437660), (24, 1317855), (28, 1129590), (30, 1054284), (33, 958440), (35, 903672), (36, 878570), (40, 790713), (42, 753060), (44, 718830), (45, 702856), (49, 645480), (55, 575064), (56, 564795), (60, 527142), (63, 502040), (66, 479220), (70, 451836), (72, 439285), (77, 410760), (84, 376530), (88, 359415), (90, 351428), (98, 322740), (99, 319480), (105, 301224), (110, 287532), (120, 263571), (126, 251020), (132, 239610), (140, 225918), (147, 215160), (154, 205380), (163, 194040), (165, 191688), (168, 188265), (180, 175714), (196, 161370), (198, 159740), (210, 150612), (220, 143766), (231, 136920), (245, 129096), (252, 125510), (264, 119805), (280, 112959), (294, 107580), (308, 102690), (315, 100408), (326, 97020), (330, 95844), (360, 87857), (385, 82152), (392, 80685), (396, 79870), (420, 75306), (440, 71883), (441, 71720), (462, 68460), (489, 64680), (490, 64548), (495, 63896), (504, 62755), (539, 58680), (588, 53790), (616, 51345), (630, 50204), (652, 48510), (660, 47922), (693, 45640), (735, 43032), (770, 41076), (792, 39935), (815, 38808), (840, 37653), (882, 35860), (924, 34230), (978, 32340), (980, 32274), (990, 31948), (1078, 29340), (1141, 27720), (1155, 27384), (1176, 26895), (1260, 25102), (1304, 24255), (1320, 23961), (1386, 22820), (1467, 21560), (1470, 21516), (1540, 20538), (1617, 19560), (1630, 19404), (1764, 17930), (1793, 17640), (1848, 17115), (1956, 16170), (1960, 16137), (1980, 15974), (2156, 14670), (2205, 14344), (2282, 13860), (2310, 13692), (2445, 12936), (2520, 12551), (2695, 11736), (2772, 11410), (2934, 10780), (2940, 10758), (3080, 10269), (3234, 9780), (3260, 9702), (3423, 9240), (3465, 9128), (3528, 8965), (3586, 8820), (3912, 8085), (3960, 7987), (4312, 7335), (4410, 7172), (4564, 6930), (4620, 6846), (4851, 6520), (4890, 6468), (5379, 5880), (5390, 5868), (5544, 5705)]