220491180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 288

約数和(自身を含む): 860690880

約数和(自身を除く): 640199700

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, 637, 641, 702, 735, 756, 780, 819, 882, 910, 945, 980, 1092, 1170, 1260, 1274, 1282, 1323, 1365, 1404, 1470, 1638, 1755, 1764, 1820, 1890, 1911, 1923, 2205, 2340, 2457, 2548, 2564, 2646, 2730, 2940, 3185, 3205, 3276, 3510, 3780, 3822, 3846, 4095, 4410, 4487, 4914, 5292, 5460, 5733, 5769, 6370, 6410, 6615, 7020, 7644, 7692, 8190, 8333, 8820, 8974, 9555, 9615, 9828, 11466, 11538, 12285, 12740, 12820, 13230, 13461, 16380, 16666, 17199, 17307, 17948, 19110, 19230, 22435, 22932, 23076, 24570, 24999, 26460, 26922, 28665, 28845, 31409, 33332, 34398, 34614, 38220, 38460, 40383, 41665, 44870, 49140, 49998, 53844, 57330, 57690, 58331, 62818, 67305, 68796, 69228, 74997, 80766, 83330, 85995, 86535, 89740, 94227, 99996, 114660, 115380, 116662, 121149, 124995, 125636, 134610, 149994, 157045, 161532, 166660, 171990, 173070, 174993, 188454, 201915, 224991, 233324, 242298, 249990, 269220, 282681, 291655, 299988, 314090, 343980, 346140, 349986, 374985, 376908, 403830, 408317, 449982, 471135, 484596, 499980, 524979, 565362, 583310, 605745, 628180, 699972, 749970, 807660, 816634, 848043, 874965, 899964, 942270, 1049958, 1124955, 1130724, 1166620, 1211490, 1224951, 1413405, 1499940, 1574937, 1633268, 1696086, 1749930, 1884540, 2041585, 2099916, 2249910, 2422980, 2449902, 2624895, 2826810, 3149874, 3392172, 3499860, 3674853, 4083170, 4240215, 4499820, 4899804, 5249790, 5653620, 6124755, 6299748, 7349706, 7874685, 8166340, 8480430, 10499580, 11024559, 12249510, 14699412, 15749370, 16960860, 18374265, 22049118, 24499020, 31498740, 36748530, 44098236, 55122795, 73497060, 110245590, 220491180]

約数ペア:

[(1, 220491180), (2, 110245590), (3, 73497060), (4, 55122795), (5, 44098236), (6, 36748530), (7, 31498740), (9, 24499020), (10, 22049118), (12, 18374265), (13, 16960860), (14, 15749370), (15, 14699412), (18, 12249510), (20, 11024559), (21, 10499580), (26, 8480430), (27, 8166340), (28, 7874685), (30, 7349706), (35, 6299748), (36, 6124755), (39, 5653620), (42, 5249790), (45, 4899804), (49, 4499820), (52, 4240215), (54, 4083170), (60, 3674853), (63, 3499860), (65, 3392172), (70, 3149874), (78, 2826810), (84, 2624895), (90, 2449902), (91, 2422980), (98, 2249910), (105, 2099916), (108, 2041585), (117, 1884540), (126, 1749930), (130, 1696086), (135, 1633268), (140, 1574937), (147, 1499940), (156, 1413405), (180, 1224951), (182, 1211490), (189, 1166620), (195, 1130724), (196, 1124955), (210, 1049958), (234, 942270), (245, 899964), (252, 874965), (260, 848043), (270, 816634), (273, 807660), (294, 749970), (315, 699972), (351, 628180), (364, 605745), (378, 583310), (390, 565362), (420, 524979), (441, 499980), (455, 484596), (468, 471135), (490, 449982), (540, 408317), (546, 403830), (585, 376908), (588, 374985), (630, 349986), (637, 346140), (641, 343980), (702, 314090), (735, 299988), (756, 291655), (780, 282681), (819, 269220), (882, 249990), (910, 242298), (945, 233324), (980, 224991), (1092, 201915), (1170, 188454), (1260, 174993), (1274, 173070), (1282, 171990), (1323, 166660), (1365, 161532), (1404, 157045), (1470, 149994), (1638, 134610), (1755, 125636), (1764, 124995), (1820, 121149), (1890, 116662), (1911, 115380), (1923, 114660), (2205, 99996), (2340, 94227), (2457, 89740), (2548, 86535), (2564, 85995), (2646, 83330), (2730, 80766), (2940, 74997), (3185, 69228), (3205, 68796), (3276, 67305), (3510, 62818), (3780, 58331), (3822, 57690), (3846, 57330), (4095, 53844), (4410, 49998), (4487, 49140), (4914, 44870), (5292, 41665), (5460, 40383), (5733, 38460), (5769, 38220), (6370, 34614), (6410, 34398), (6615, 33332), (7020, 31409), (7644, 28845), (7692, 28665), (8190, 26922), (8333, 26460), (8820, 24999), (8974, 24570), (9555, 23076), (9615, 22932), (9828, 22435), (11466, 19230), (11538, 19110), (12285, 17948), (12740, 17307), (12820, 17199), (13230, 16666), (13461, 16380)]