159613920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{557}}^1$

素因数の和:777

約数の個数: 144

約数和(自身を含む): 548402400

約数和(自身を除く): 388788480

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, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 288, 360, 398, 480, 557, 597, 720, 796, 995, 1114, 1194, 1440, 1592, 1671, 1791, 1990, 2228, 2388, 2785, 2985, 3184, 3342, 3582, 3980, 4456, 4776, 5013, 5570, 5970, 6368, 6684, 7164, 7960, 8355, 8912, 8955, 9552, 10026, 11140, 11940, 13368, 14328, 15920, 16710, 17824, 17910, 19104, 20052, 22280, 23880, 25065, 26736, 28656, 31840, 33420, 35820, 40104, 44560, 47760, 50130, 53472, 57312, 66840, 71640, 80208, 89120, 95520, 100260, 110843, 133680, 143280, 160416, 200520, 221686, 267360, 286560, 332529, 401040, 443372, 554215, 665058, 802080, 886744, 997587, 1108430, 1330116, 1662645, 1773488, 1995174, 2216860, 2660232, 3325290, 3546976, 3990348, 4433720, 4987935, 5320464, 6650580, 7980696, 8867440, 9975870, 10640928, 13301160, 15961392, 17734880, 19951740, 26602320, 31922784, 39903480, 53204640, 79806960, 159613920]

約数ペア:

[(1, 159613920), (2, 79806960), (3, 53204640), (4, 39903480), (5, 31922784), (6, 26602320), (8, 19951740), (9, 17734880), (10, 15961392), (12, 13301160), (15, 10640928), (16, 9975870), (18, 8867440), (20, 7980696), (24, 6650580), (30, 5320464), (32, 4987935), (36, 4433720), (40, 3990348), (45, 3546976), (48, 3325290), (60, 2660232), (72, 2216860), (80, 1995174), (90, 1773488), (96, 1662645), (120, 1330116), (144, 1108430), (160, 997587), (180, 886744), (199, 802080), (240, 665058), (288, 554215), (360, 443372), (398, 401040), (480, 332529), (557, 286560), (597, 267360), (720, 221686), (796, 200520), (995, 160416), (1114, 143280), (1194, 133680), (1440, 110843), (1592, 100260), (1671, 95520), (1791, 89120), (1990, 80208), (2228, 71640), (2388, 66840), (2785, 57312), (2985, 53472), (3184, 50130), (3342, 47760), (3582, 44560), (3980, 40104), (4456, 35820), (4776, 33420), (5013, 31840), (5570, 28656), (5970, 26736), (6368, 25065), (6684, 23880), (7164, 22280), (7960, 20052), (8355, 19104), (8912, 17910), (8955, 17824), (9552, 16710), (10026, 15920), (11140, 14328), (11940, 13368)]