221206720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 224

約数和(自身を含む): 658806912

約数和(自身を除く): 437600192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 37, 40, 56, 64, 68, 70, 74, 80, 85, 112, 119, 136, 140, 148, 157, 160, 170, 185, 224, 238, 259, 272, 280, 296, 314, 320, 340, 370, 448, 476, 518, 544, 560, 592, 595, 628, 629, 680, 740, 785, 952, 1036, 1088, 1099, 1120, 1184, 1190, 1256, 1258, 1295, 1360, 1480, 1570, 1904, 2072, 2198, 2240, 2368, 2380, 2512, 2516, 2590, 2669, 2720, 2960, 3140, 3145, 3808, 4144, 4396, 4403, 4760, 5024, 5032, 5180, 5338, 5440, 5495, 5809, 5920, 6280, 6290, 7616, 8288, 8792, 8806, 9520, 10048, 10064, 10360, 10676, 10990, 11618, 11840, 12560, 12580, 13345, 16576, 17584, 17612, 18683, 19040, 20128, 20720, 21352, 21980, 22015, 23236, 25120, 25160, 26690, 29045, 35168, 35224, 37366, 38080, 40256, 40663, 41440, 42704, 43960, 44030, 46472, 50240, 50320, 53380, 58090, 70336, 70448, 74732, 81326, 82880, 85408, 87920, 88060, 92944, 93415, 98753, 100640, 106760, 116180, 140896, 149464, 162652, 170816, 175840, 176120, 185888, 186830, 197506, 201280, 203315, 213520, 232360, 281792, 298928, 325304, 351680, 352240, 371776, 373660, 395012, 406630, 427040, 464720, 493765, 597856, 650608, 691271, 704480, 747320, 790024, 813260, 854080, 929440, 987530, 1195712, 1301216, 1382542, 1408960, 1494640, 1580048, 1626520, 1858880, 1975060, 2602432, 2765084, 2989280, 3160096, 3253040, 3456355, 3950120, 5530168, 5978560, 6320192, 6506080, 6912710, 7900240, 11060336, 13012160, 13825420, 15800480, 22120672, 27650840, 31600960, 44241344, 55301680, 110603360, 221206720]

約数ペア:

[(1, 221206720), (2, 110603360), (4, 55301680), (5, 44241344), (7, 31600960), (8, 27650840), (10, 22120672), (14, 15800480), (16, 13825420), (17, 13012160), (20, 11060336), (28, 7900240), (32, 6912710), (34, 6506080), (35, 6320192), (37, 5978560), (40, 5530168), (56, 3950120), (64, 3456355), (68, 3253040), (70, 3160096), (74, 2989280), (80, 2765084), (85, 2602432), (112, 1975060), (119, 1858880), (136, 1626520), (140, 1580048), (148, 1494640), (157, 1408960), (160, 1382542), (170, 1301216), (185, 1195712), (224, 987530), (238, 929440), (259, 854080), (272, 813260), (280, 790024), (296, 747320), (314, 704480), (320, 691271), (340, 650608), (370, 597856), (448, 493765), (476, 464720), (518, 427040), (544, 406630), (560, 395012), (592, 373660), (595, 371776), (628, 352240), (629, 351680), (680, 325304), (740, 298928), (785, 281792), (952, 232360), (1036, 213520), (1088, 203315), (1099, 201280), (1120, 197506), (1184, 186830), (1190, 185888), (1256, 176120), (1258, 175840), (1295, 170816), (1360, 162652), (1480, 149464), (1570, 140896), (1904, 116180), (2072, 106760), (2198, 100640), (2240, 98753), (2368, 93415), (2380, 92944), (2512, 88060), (2516, 87920), (2590, 85408), (2669, 82880), (2720, 81326), (2960, 74732), (3140, 70448), (3145, 70336), (3808, 58090), (4144, 53380), (4396, 50320), (4403, 50240), (4760, 46472), (5024, 44030), (5032, 43960), (5180, 42704), (5338, 41440), (5440, 40663), (5495, 40256), (5809, 38080), (5920, 37366), (6280, 35224), (6290, 35168), (7616, 29045), (8288, 26690), (8792, 25160), (8806, 25120), (9520, 23236), (10048, 22015), (10064, 21980), (10360, 21352), (10676, 20720), (10990, 20128), (11618, 19040), (11840, 18683), (12560, 17612), (12580, 17584), (13345, 16576)]