221444640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2603

約数の個数: 144

約数和(自身を含む): 768372696

約数和(自身を除く): 546928056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 360, 366, 480, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1440, 1464, 1830, 1952, 2196, 2440, 2521, 2745, 2928, 3660, 4392, 4880, 5042, 5490, 5856, 7320, 7563, 8784, 9760, 10084, 10980, 12605, 14640, 15126, 17568, 20168, 21960, 22689, 25210, 29280, 30252, 37815, 40336, 43920, 45378, 50420, 60504, 75630, 80672, 87840, 90756, 100840, 113445, 121008, 151260, 153781, 181512, 201680, 226890, 242016, 302520, 307562, 363024, 403360, 453780, 461343, 605040, 615124, 726048, 768905, 907560, 922686, 1210080, 1230248, 1384029, 1537810, 1815120, 1845372, 2306715, 2460496, 2768058, 3075620, 3630240, 3690744, 4613430, 4920992, 5536116, 6151240, 6920145, 7381488, 9226860, 11072232, 12302480, 13840290, 14762976, 18453720, 22144464, 24604960, 27680580, 36907440, 44288928, 55361160, 73814880, 110722320, 221444640]

約数ペア:

[(1, 221444640), (2, 110722320), (3, 73814880), (4, 55361160), (5, 44288928), (6, 36907440), (8, 27680580), (9, 24604960), (10, 22144464), (12, 18453720), (15, 14762976), (16, 13840290), (18, 12302480), (20, 11072232), (24, 9226860), (30, 7381488), (32, 6920145), (36, 6151240), (40, 5536116), (45, 4920992), (48, 4613430), (60, 3690744), (61, 3630240), (72, 3075620), (80, 2768058), (90, 2460496), (96, 2306715), (120, 1845372), (122, 1815120), (144, 1537810), (160, 1384029), (180, 1230248), (183, 1210080), (240, 922686), (244, 907560), (288, 768905), (305, 726048), (360, 615124), (366, 605040), (480, 461343), (488, 453780), (549, 403360), (610, 363024), (720, 307562), (732, 302520), (915, 242016), (976, 226890), (1098, 201680), (1220, 181512), (1440, 153781), (1464, 151260), (1830, 121008), (1952, 113445), (2196, 100840), (2440, 90756), (2521, 87840), (2745, 80672), (2928, 75630), (3660, 60504), (4392, 50420), (4880, 45378), (5042, 43920), (5490, 40336), (5856, 37815), (7320, 30252), (7563, 29280), (8784, 25210), (9760, 22689), (10084, 21960), (10980, 20168), (12605, 17568), (14640, 15126)]