221351760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1250

約数の個数: 240

約数和(自身を含む): 873265536

約数和(自身を除く): 651913776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1187, 1260, 1295, 1332, 1480, 1554, 1665, 1680, 1776, 2072, 2220, 2331, 2374, 2520, 2590, 2664, 2960, 3108, 3330, 3561, 3885, 4144, 4440, 4662, 4748, 5040, 5180, 5328, 5935, 6216, 6660, 7122, 7770, 8309, 8880, 9324, 9496, 10360, 10683, 11655, 11870, 12432, 13320, 14244, 15540, 16618, 17805, 18648, 18992, 20720, 21366, 23310, 23740, 24927, 26640, 28488, 31080, 33236, 35610, 37296, 41545, 42732, 43919, 46620, 47480, 49854, 53415, 56976, 62160, 66472, 71220, 74781, 83090, 85464, 87838, 93240, 94960, 99708, 106830, 124635, 131757, 132944, 142440, 149562, 166180, 170928, 175676, 186480, 199416, 213660, 219595, 249270, 263514, 284880, 299124, 307433, 332360, 351352, 373905, 395271, 398832, 427320, 439190, 498540, 527028, 598248, 614866, 658785, 664720, 702704, 747810, 790542, 854640, 878380, 922299, 997080, 1054056, 1196496, 1229732, 1317570, 1495620, 1537165, 1581084, 1756760, 1844598, 1976355, 1994160, 2108112, 2459464, 2635140, 2766897, 2991240, 3074330, 3162168, 3513520, 3689196, 3952710, 4611495, 4918928, 5270280, 5533794, 5982480, 6148660, 6324336, 7378392, 7905420, 9222990, 10540560, 11067588, 12297320, 13834485, 14756784, 15810840, 18445980, 22135176, 24594640, 27668970, 31621680, 36891960, 44270352, 55337940, 73783920, 110675880, 221351760]

約数ペア:

[(1, 221351760), (2, 110675880), (3, 73783920), (4, 55337940), (5, 44270352), (6, 36891960), (7, 31621680), (8, 27668970), (9, 24594640), (10, 22135176), (12, 18445980), (14, 15810840), (15, 14756784), (16, 13834485), (18, 12297320), (20, 11067588), (21, 10540560), (24, 9222990), (28, 7905420), (30, 7378392), (35, 6324336), (36, 6148660), (37, 5982480), (40, 5533794), (42, 5270280), (45, 4918928), (48, 4611495), (56, 3952710), (60, 3689196), (63, 3513520), (70, 3162168), (72, 3074330), (74, 2991240), (80, 2766897), (84, 2635140), (90, 2459464), (105, 2108112), (111, 1994160), (112, 1976355), (120, 1844598), (126, 1756760), (140, 1581084), (144, 1537165), (148, 1495620), (168, 1317570), (180, 1229732), (185, 1196496), (210, 1054056), (222, 997080), (240, 922299), (252, 878380), (259, 854640), (280, 790542), (296, 747810), (315, 702704), (333, 664720), (336, 658785), (360, 614866), (370, 598248), (420, 527028), (444, 498540), (504, 439190), (518, 427320), (555, 398832), (560, 395271), (592, 373905), (630, 351352), (666, 332360), (720, 307433), (740, 299124), (777, 284880), (840, 263514), (888, 249270), (1008, 219595), (1036, 213660), (1110, 199416), (1187, 186480), (1260, 175676), (1295, 170928), (1332, 166180), (1480, 149562), (1554, 142440), (1665, 132944), (1680, 131757), (1776, 124635), (2072, 106830), (2220, 99708), (2331, 94960), (2374, 93240), (2520, 87838), (2590, 85464), (2664, 83090), (2960, 74781), (3108, 71220), (3330, 66472), (3561, 62160), (3885, 56976), (4144, 53415), (4440, 49854), (4662, 47480), (4748, 46620), (5040, 43919), (5180, 42732), (5328, 41545), (5935, 37296), (6216, 35610), (6660, 33236), (7122, 31080), (7770, 28488), (8309, 26640), (8880, 24927), (9324, 23740), (9496, 23310), (10360, 21366), (10683, 20720), (11655, 18992), (11870, 18648), (12432, 17805), (13320, 16618), (14244, 15540)]