221020080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:595

約数の個数: 160

約数和(自身を含む): 720334848

約数和(自身を除く): 499314768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 61, 62, 80, 93, 120, 122, 124, 155, 183, 186, 240, 244, 248, 305, 310, 366, 372, 465, 487, 488, 496, 610, 620, 732, 744, 915, 930, 974, 976, 1220, 1240, 1461, 1464, 1488, 1830, 1860, 1891, 1948, 2435, 2440, 2480, 2922, 2928, 3660, 3720, 3782, 3896, 4870, 4880, 5673, 5844, 7305, 7320, 7440, 7564, 7792, 9455, 9740, 11346, 11688, 14610, 14640, 15097, 15128, 18910, 19480, 22692, 23376, 28365, 29220, 29707, 30194, 30256, 37820, 38960, 45291, 45384, 56730, 58440, 59414, 60388, 75485, 75640, 89121, 90582, 90768, 113460, 116880, 118828, 120776, 148535, 150970, 151280, 178242, 181164, 226455, 226920, 237656, 241552, 297070, 301940, 356484, 362328, 445605, 452910, 453840, 475312, 594140, 603880, 712968, 724656, 891210, 905820, 920917, 1188280, 1207760, 1425936, 1782420, 1811640, 1841834, 2376560, 2762751, 3564840, 3623280, 3683668, 4604585, 5525502, 7129680, 7367336, 9209170, 11051004, 13813755, 14734672, 18418340, 22102008, 27627510, 36836680, 44204016, 55255020, 73673360, 110510040, 221020080]

約数ペア:

[(1, 221020080), (2, 110510040), (3, 73673360), (4, 55255020), (5, 44204016), (6, 36836680), (8, 27627510), (10, 22102008), (12, 18418340), (15, 14734672), (16, 13813755), (20, 11051004), (24, 9209170), (30, 7367336), (31, 7129680), (40, 5525502), (48, 4604585), (60, 3683668), (61, 3623280), (62, 3564840), (80, 2762751), (93, 2376560), (120, 1841834), (122, 1811640), (124, 1782420), (155, 1425936), (183, 1207760), (186, 1188280), (240, 920917), (244, 905820), (248, 891210), (305, 724656), (310, 712968), (366, 603880), (372, 594140), (465, 475312), (487, 453840), (488, 452910), (496, 445605), (610, 362328), (620, 356484), (732, 301940), (744, 297070), (915, 241552), (930, 237656), (974, 226920), (976, 226455), (1220, 181164), (1240, 178242), (1461, 151280), (1464, 150970), (1488, 148535), (1830, 120776), (1860, 118828), (1891, 116880), (1948, 113460), (2435, 90768), (2440, 90582), (2480, 89121), (2922, 75640), (2928, 75485), (3660, 60388), (3720, 59414), (3782, 58440), (3896, 56730), (4870, 45384), (4880, 45291), (5673, 38960), (5844, 37820), (7305, 30256), (7320, 30194), (7440, 29707), (7564, 29220), (7792, 28365), (9455, 23376), (9740, 22692), (11346, 19480), (11688, 18910), (14610, 15128), (14640, 15097)]