217051380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1$

素因数の和:676

約数の個数: 288

約数和(自身を含む): 847284480

約数和(自身を除く): 630233100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 126, 130, 135, 140, 147, 156, 180, 182, 189, 195, 196, 210, 234, 245, 252, 260, 270, 273, 294, 315, 351, 364, 378, 390, 420, 441, 455, 468, 490, 540, 546, 585, 588, 630, 631, 637, 702, 735, 756, 780, 819, 882, 910, 945, 980, 1092, 1170, 1260, 1262, 1274, 1323, 1365, 1404, 1470, 1638, 1755, 1764, 1820, 1890, 1893, 1911, 2205, 2340, 2457, 2524, 2548, 2646, 2730, 2940, 3155, 3185, 3276, 3510, 3780, 3786, 3822, 4095, 4410, 4417, 4914, 5292, 5460, 5679, 5733, 6310, 6370, 6615, 7020, 7572, 7644, 8190, 8203, 8820, 8834, 9465, 9555, 9828, 11358, 11466, 12285, 12620, 12740, 13230, 13251, 16380, 16406, 17037, 17199, 17668, 18930, 19110, 22085, 22716, 22932, 24570, 24609, 26460, 26502, 28395, 28665, 30919, 32812, 34074, 34398, 37860, 38220, 39753, 41015, 44170, 49140, 49218, 53004, 56790, 57330, 57421, 61838, 66255, 68148, 68796, 73827, 79506, 82030, 85185, 85995, 88340, 92757, 98436, 113580, 114660, 114842, 119259, 123045, 123676, 132510, 147654, 154595, 159012, 164060, 170370, 171990, 172263, 185514, 198765, 221481, 229684, 238518, 246090, 265020, 278271, 287105, 295308, 309190, 340740, 343980, 344526, 369135, 371028, 397530, 401947, 442962, 463785, 477036, 492180, 516789, 556542, 574210, 596295, 618380, 689052, 738270, 795060, 803894, 834813, 861315, 885924, 927570, 1033578, 1107405, 1113084, 1148420, 1192590, 1205841, 1391355, 1476540, 1550367, 1607788, 1669626, 1722630, 1855140, 2009735, 2067156, 2214810, 2385180, 2411682, 2583945, 2782710, 3100734, 3339252, 3445260, 3617523, 4019470, 4174065, 4429620, 4823364, 5167890, 5565420, 6029205, 6201468, 7235046, 7751835, 8038940, 8348130, 10335780, 10852569, 12058410, 14470092, 15503670, 16696260, 18087615, 21705138, 24116820, 31007340, 36175230, 43410276, 54262845, 72350460, 108525690, 217051380]

約数ペア:

[(1, 217051380), (2, 108525690), (3, 72350460), (4, 54262845), (5, 43410276), (6, 36175230), (7, 31007340), (9, 24116820), (10, 21705138), (12, 18087615), (13, 16696260), (14, 15503670), (15, 14470092), (18, 12058410), (20, 10852569), (21, 10335780), (26, 8348130), (27, 8038940), (28, 7751835), (30, 7235046), (35, 6201468), (36, 6029205), (39, 5565420), (42, 5167890), (45, 4823364), (49, 4429620), (52, 4174065), (54, 4019470), (60, 3617523), (63, 3445260), (65, 3339252), (70, 3100734), (78, 2782710), (84, 2583945), (90, 2411682), (91, 2385180), (98, 2214810), (105, 2067156), (108, 2009735), (117, 1855140), (126, 1722630), (130, 1669626), (135, 1607788), (140, 1550367), (147, 1476540), (156, 1391355), (180, 1205841), (182, 1192590), (189, 1148420), (195, 1113084), (196, 1107405), (210, 1033578), (234, 927570), (245, 885924), (252, 861315), (260, 834813), (270, 803894), (273, 795060), (294, 738270), (315, 689052), (351, 618380), (364, 596295), (378, 574210), (390, 556542), (420, 516789), (441, 492180), (455, 477036), (468, 463785), (490, 442962), (540, 401947), (546, 397530), (585, 371028), (588, 369135), (630, 344526), (631, 343980), (637, 340740), (702, 309190), (735, 295308), (756, 287105), (780, 278271), (819, 265020), (882, 246090), (910, 238518), (945, 229684), (980, 221481), (1092, 198765), (1170, 185514), (1260, 172263), (1262, 171990), (1274, 170370), (1323, 164060), (1365, 159012), (1404, 154595), (1470, 147654), (1638, 132510), (1755, 123676), (1764, 123045), (1820, 119259), (1890, 114842), (1893, 114660), (1911, 113580), (2205, 98436), (2340, 92757), (2457, 88340), (2524, 85995), (2548, 85185), (2646, 82030), (2730, 79506), (2940, 73827), (3155, 68796), (3185, 68148), (3276, 66255), (3510, 61838), (3780, 57421), (3786, 57330), (3822, 56790), (4095, 53004), (4410, 49218), (4417, 49140), (4914, 44170), (5292, 41015), (5460, 39753), (5679, 38220), (5733, 37860), (6310, 34398), (6370, 34074), (6615, 32812), (7020, 30919), (7572, 28665), (7644, 28395), (8190, 26502), (8203, 26460), (8820, 24609), (8834, 24570), (9465, 22932), (9555, 22716), (9828, 22085), (11358, 19110), (11466, 18930), (12285, 17668), (12620, 17199), (12740, 17037), (13230, 16406), (13251, 16380)]