221585478640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{601}}^1$

素因数の和:1116

約数の個数: 240

約数和(自身を含む): 564306632064

約数和(自身を除く): 342721153424

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 289, 296, 340, 370, 431, 578, 592, 601, 629, 680, 740, 862, 1156, 1202, 1258, 1360, 1445, 1480, 1724, 2155, 2312, 2404, 2516, 2890, 2960, 3005, 3145, 3448, 4310, 4624, 4808, 5032, 5780, 6010, 6290, 6896, 7327, 8620, 9616, 10064, 10217, 10693, 11560, 12020, 12580, 14654, 15947, 17240, 20434, 21386, 22237, 23120, 24040, 25160, 29308, 31894, 34480, 36635, 40868, 42772, 44474, 48080, 50320, 51085, 53465, 58616, 63788, 73270, 79735, 81736, 85544, 88948, 102170, 106930, 111185, 117232, 124559, 127576, 146540, 159470, 163472, 171088, 173689, 177896, 204340, 213860, 222370, 249118, 255152, 259031, 271099, 293080, 318940, 347378, 355792, 378029, 408680, 427720, 444740, 498236, 518062, 542198, 586160, 622795, 637880, 694756, 756058, 817360, 855440, 868445, 889480, 996472, 1036124, 1084396, 1245590, 1275760, 1295155, 1355495, 1389512, 1512116, 1736890, 1778960, 1890145, 1992944, 2072248, 2168792, 2491180, 2590310, 2710990, 2779024, 3024232, 3473780, 3780290, 4144496, 4337584, 4403527, 4608683, 4982360, 5180620, 5421980, 6048464, 6426493, 6947560, 7560580, 8807054, 9217366, 9584147, 9964720, 10361240, 10843960, 12852986, 13895120, 15121160, 17614108, 18434732, 19168294, 20722480, 21687920, 22017635, 23043415, 25705972, 30242320, 32132465, 35228216, 36869464, 38336588, 44035270, 46086830, 47920735, 51411944, 64264930, 70456432, 73738928, 74859959, 76673176, 88070540, 92173660, 95841470, 102823888, 128529860, 149719918, 153346352, 162930499, 176141080, 184347320, 191682940, 257059720, 299439836, 325860998, 352282160, 368694640, 374299795, 383365880, 514119440, 598879672, 651721996, 748599590, 766731760, 814652495, 1197759344, 1303443992, 1497199180, 1629304990, 2606887984, 2769818483, 2994398360, 3258609980, 5539636966, 5988796720, 6517219960, 11079273932, 13034439920, 13849092415, 22158547864, 27698184830, 44317095728, 55396369660, 110792739320, 221585478640]

約数ペア:

[(1, 221585478640), (2, 110792739320), (4, 55396369660), (5, 44317095728), (8, 27698184830), (10, 22158547864), (16, 13849092415), (17, 13034439920), (20, 11079273932), (34, 6517219960), (37, 5988796720), (40, 5539636966), (68, 3258609980), (74, 2994398360), (80, 2769818483), (85, 2606887984), (136, 1629304990), (148, 1497199180), (170, 1303443992), (185, 1197759344), (272, 814652495), (289, 766731760), (296, 748599590), (340, 651721996), (370, 598879672), (431, 514119440), (578, 383365880), (592, 374299795), (601, 368694640), (629, 352282160), (680, 325860998), (740, 299439836), (862, 257059720), (1156, 191682940), (1202, 184347320), (1258, 176141080), (1360, 162930499), (1445, 153346352), (1480, 149719918), (1724, 128529860), (2155, 102823888), (2312, 95841470), (2404, 92173660), (2516, 88070540), (2890, 76673176), (2960, 74859959), (3005, 73738928), (3145, 70456432), (3448, 64264930), (4310, 51411944), (4624, 47920735), (4808, 46086830), (5032, 44035270), (5780, 38336588), (6010, 36869464), (6290, 35228216), (6896, 32132465), (7327, 30242320), (8620, 25705972), (9616, 23043415), (10064, 22017635), (10217, 21687920), (10693, 20722480), (11560, 19168294), (12020, 18434732), (12580, 17614108), (14654, 15121160), (15947, 13895120), (17240, 12852986), (20434, 10843960), (21386, 10361240), (22237, 9964720), (23120, 9584147), (24040, 9217366), (25160, 8807054), (29308, 7560580), (31894, 6947560), (34480, 6426493), (36635, 6048464), (40868, 5421980), (42772, 5180620), (44474, 4982360), (48080, 4608683), (50320, 4403527), (51085, 4337584), (53465, 4144496), (58616, 3780290), (63788, 3473780), (73270, 3024232), (79735, 2779024), (81736, 2710990), (85544, 2590310), (88948, 2491180), (102170, 2168792), (106930, 2072248), (111185, 1992944), (117232, 1890145), (124559, 1778960), (127576, 1736890), (146540, 1512116), (159470, 1389512), (163472, 1355495), (171088, 1295155), (173689, 1275760), (177896, 1245590), (204340, 1084396), (213860, 1036124), (222370, 996472), (249118, 889480), (255152, 868445), (259031, 855440), (271099, 817360), (293080, 756058), (318940, 694756), (347378, 637880), (355792, 622795), (378029, 586160), (408680, 542198), (427720, 518062), (444740, 498236)]