31922520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 114501600

約数和(自身を除く): 82579080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 89, 98, 105, 120, 122, 140, 147, 168, 178, 183, 196, 210, 244, 245, 267, 280, 294, 305, 356, 366, 392, 420, 427, 445, 488, 490, 534, 588, 610, 623, 712, 732, 735, 840, 854, 890, 915, 980, 1068, 1176, 1220, 1246, 1281, 1335, 1464, 1470, 1708, 1780, 1830, 1869, 1960, 2135, 2136, 2440, 2492, 2562, 2670, 2940, 2989, 3115, 3416, 3560, 3660, 3738, 4270, 4361, 4984, 5124, 5340, 5429, 5880, 5978, 6230, 6405, 7320, 7476, 8540, 8722, 8967, 9345, 10248, 10680, 10858, 11956, 12460, 12810, 13083, 14945, 14952, 16287, 17080, 17444, 17934, 18690, 21716, 21805, 23912, 24920, 25620, 26166, 27145, 29890, 32574, 34888, 35868, 37380, 38003, 43432, 43610, 44835, 51240, 52332, 54290, 59780, 65148, 65415, 71736, 74760, 76006, 81435, 87220, 89670, 104664, 108580, 114009, 119560, 130296, 130830, 152012, 162870, 174440, 179340, 190015, 217160, 228018, 261660, 266021, 304024, 325740, 358680, 380030, 456036, 523320, 532042, 570045, 651480, 760060, 798063, 912072, 1064084, 1140090, 1330105, 1520120, 1596126, 2128168, 2280180, 2660210, 3192252, 3990315, 4560360, 5320420, 6384504, 7980630, 10640840, 15961260, 31922520]

約数ペア:

[(1, 31922520), (2, 15961260), (3, 10640840), (4, 7980630), (5, 6384504), (6, 5320420), (7, 4560360), (8, 3990315), (10, 3192252), (12, 2660210), (14, 2280180), (15, 2128168), (20, 1596126), (21, 1520120), (24, 1330105), (28, 1140090), (30, 1064084), (35, 912072), (40, 798063), (42, 760060), (49, 651480), (56, 570045), (60, 532042), (61, 523320), (70, 456036), (84, 380030), (89, 358680), (98, 325740), (105, 304024), (120, 266021), (122, 261660), (140, 228018), (147, 217160), (168, 190015), (178, 179340), (183, 174440), (196, 162870), (210, 152012), (244, 130830), (245, 130296), (267, 119560), (280, 114009), (294, 108580), (305, 104664), (356, 89670), (366, 87220), (392, 81435), (420, 76006), (427, 74760), (445, 71736), (488, 65415), (490, 65148), (534, 59780), (588, 54290), (610, 52332), (623, 51240), (712, 44835), (732, 43610), (735, 43432), (840, 38003), (854, 37380), (890, 35868), (915, 34888), (980, 32574), (1068, 29890), (1176, 27145), (1220, 26166), (1246, 25620), (1281, 24920), (1335, 23912), (1464, 21805), (1470, 21716), (1708, 18690), (1780, 17934), (1830, 17444), (1869, 17080), (1960, 16287), (2135, 14952), (2136, 14945), (2440, 13083), (2492, 12810), (2562, 12460), (2670, 11956), (2940, 10858), (2989, 10680), (3115, 10248), (3416, 9345), (3560, 8967), (3660, 8722), (3738, 8540), (4270, 7476), (4361, 7320), (4984, 6405), (5124, 6230), (5340, 5978), (5429, 5880)]