219651240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 688705920

約数和(自身を除く): 469054680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 811, 888, 915, 1110, 1220, 1464, 1480, 1622, 1830, 2220, 2257, 2433, 2440, 3244, 3660, 4055, 4440, 4514, 4866, 6488, 6771, 7320, 8110, 9028, 9732, 11285, 12165, 13542, 16220, 18056, 19464, 22570, 24330, 27084, 30007, 32440, 33855, 45140, 48660, 49471, 54168, 60014, 67710, 90021, 90280, 97320, 98942, 120028, 135420, 148413, 150035, 180042, 197884, 240056, 247355, 270840, 296826, 300070, 360084, 395768, 450105, 494710, 593652, 600140, 720168, 742065, 900210, 989420, 1187304, 1200280, 1484130, 1800420, 1830427, 1978840, 2968260, 3600840, 3660854, 5491281, 5936520, 7321708, 9152135, 10982562, 14643416, 18304270, 21965124, 27456405, 36608540, 43930248, 54912810, 73217080, 109825620, 219651240]

約数ペア:

[(1, 219651240), (2, 109825620), (3, 73217080), (4, 54912810), (5, 43930248), (6, 36608540), (8, 27456405), (10, 21965124), (12, 18304270), (15, 14643416), (20, 10982562), (24, 9152135), (30, 7321708), (37, 5936520), (40, 5491281), (60, 3660854), (61, 3600840), (74, 2968260), (111, 1978840), (120, 1830427), (122, 1800420), (148, 1484130), (183, 1200280), (185, 1187304), (222, 989420), (244, 900210), (296, 742065), (305, 720168), (366, 600140), (370, 593652), (444, 494710), (488, 450105), (555, 395768), (610, 360084), (732, 300070), (740, 296826), (811, 270840), (888, 247355), (915, 240056), (1110, 197884), (1220, 180042), (1464, 150035), (1480, 148413), (1622, 135420), (1830, 120028), (2220, 98942), (2257, 97320), (2433, 90280), (2440, 90021), (3244, 67710), (3660, 60014), (4055, 54168), (4440, 49471), (4514, 48660), (4866, 45140), (6488, 33855), (6771, 32440), (7320, 30007), (8110, 27084), (9028, 24330), (9732, 22570), (11285, 19464), (12165, 18056), (13542, 16220)]