131489160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 462827520

約数和(自身を除く): 331338360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 23, 24, 30, 33, 40, 44, 46, 55, 60, 61, 66, 69, 71, 88, 92, 110, 115, 120, 122, 132, 138, 142, 165, 183, 184, 213, 220, 230, 244, 253, 264, 276, 284, 305, 330, 345, 355, 366, 426, 440, 460, 488, 506, 552, 568, 610, 660, 671, 690, 710, 732, 759, 781, 852, 915, 920, 1012, 1065, 1220, 1265, 1320, 1342, 1380, 1403, 1420, 1464, 1518, 1562, 1633, 1704, 1830, 2013, 2024, 2130, 2343, 2440, 2530, 2684, 2760, 2806, 2840, 3036, 3124, 3266, 3355, 3660, 3795, 3905, 4026, 4209, 4260, 4331, 4686, 4899, 5060, 5368, 5612, 6072, 6248, 6532, 6710, 7015, 7320, 7590, 7810, 8052, 8165, 8418, 8520, 8662, 9372, 9798, 10065, 10120, 11224, 11715, 12993, 13064, 13420, 14030, 15180, 15433, 15620, 16104, 16330, 16836, 17324, 17963, 18744, 19596, 20130, 21045, 21655, 23430, 24495, 25986, 26840, 28060, 30360, 30866, 31240, 32660, 33672, 34648, 35926, 39192, 40260, 42090, 43310, 46299, 46860, 47641, 48990, 51972, 53889, 56120, 61732, 64965, 65320, 71852, 77165, 80520, 84180, 86620, 89815, 92598, 93720, 95282, 97980, 99613, 103944, 107778, 123464, 129930, 142923, 143704, 154330, 168360, 173240, 179630, 185196, 190564, 195960, 199226, 215556, 231495, 238205, 259860, 269445, 285846, 298839, 308660, 359260, 370392, 381128, 398452, 431112, 462990, 476410, 498065, 519720, 538890, 571692, 597678, 617320, 714615, 718520, 796904, 925980, 952820, 996130, 1077780, 1095743, 1143384, 1195356, 1429230, 1494195, 1851960, 1905640, 1992260, 2155560, 2191486, 2390712, 2858460, 2988390, 3287229, 3984520, 4382972, 5478715, 5716920, 5976780, 6574458, 8765944, 10957430, 11953560, 13148916, 16436145, 21914860, 26297832, 32872290, 43829720, 65744580, 131489160]

約数ペア:

[(1, 131489160), (2, 65744580), (3, 43829720), (4, 32872290), (5, 26297832), (6, 21914860), (8, 16436145), (10, 13148916), (11, 11953560), (12, 10957430), (15, 8765944), (20, 6574458), (22, 5976780), (23, 5716920), (24, 5478715), (30, 4382972), (33, 3984520), (40, 3287229), (44, 2988390), (46, 2858460), (55, 2390712), (60, 2191486), (61, 2155560), (66, 1992260), (69, 1905640), (71, 1851960), (88, 1494195), (92, 1429230), (110, 1195356), (115, 1143384), (120, 1095743), (122, 1077780), (132, 996130), (138, 952820), (142, 925980), (165, 796904), (183, 718520), (184, 714615), (213, 617320), (220, 597678), (230, 571692), (244, 538890), (253, 519720), (264, 498065), (276, 476410), (284, 462990), (305, 431112), (330, 398452), (345, 381128), (355, 370392), (366, 359260), (426, 308660), (440, 298839), (460, 285846), (488, 269445), (506, 259860), (552, 238205), (568, 231495), (610, 215556), (660, 199226), (671, 195960), (690, 190564), (710, 185196), (732, 179630), (759, 173240), (781, 168360), (852, 154330), (915, 143704), (920, 142923), (1012, 129930), (1065, 123464), (1220, 107778), (1265, 103944), (1320, 99613), (1342, 97980), (1380, 95282), (1403, 93720), (1420, 92598), (1464, 89815), (1518, 86620), (1562, 84180), (1633, 80520), (1704, 77165), (1830, 71852), (2013, 65320), (2024, 64965), (2130, 61732), (2343, 56120), (2440, 53889), (2530, 51972), (2684, 48990), (2760, 47641), (2806, 46860), (2840, 46299), (3036, 43310), (3124, 42090), (3266, 40260), (3355, 39192), (3660, 35926), (3795, 34648), (3905, 33672), (4026, 32660), (4209, 31240), (4260, 30866), (4331, 30360), (4686, 28060), (4899, 26840), (5060, 25986), (5368, 24495), (5612, 23430), (6072, 21655), (6248, 21045), (6532, 20130), (6710, 19596), (7015, 18744), (7320, 17963), (7590, 17324), (7810, 16836), (8052, 16330), (8165, 16104), (8418, 15620), (8520, 15433), (8662, 15180), (9372, 14030), (9798, 13420), (10065, 13064), (10120, 12993), (11224, 11715)]