222181960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 256

約数和(自身を含む): 696729600

約数和(自身を除く): 474547640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 40, 44, 52, 55, 56, 62, 65, 70, 77, 88, 91, 104, 110, 124, 130, 140, 143, 154, 155, 179, 182, 217, 220, 248, 260, 280, 286, 308, 310, 341, 358, 364, 385, 403, 434, 440, 455, 520, 572, 616, 620, 682, 715, 716, 728, 770, 806, 868, 895, 910, 1001, 1085, 1144, 1240, 1253, 1364, 1430, 1432, 1540, 1612, 1705, 1736, 1790, 1820, 1969, 2002, 2015, 2170, 2327, 2387, 2506, 2728, 2821, 2860, 3080, 3224, 3410, 3580, 3640, 3938, 4004, 4030, 4340, 4433, 4654, 4774, 5005, 5012, 5549, 5642, 5720, 6265, 6820, 7160, 7876, 8008, 8060, 8680, 8866, 9308, 9548, 9845, 10010, 10024, 11098, 11284, 11635, 11935, 12530, 13640, 13783, 14105, 15752, 16120, 16289, 17732, 18616, 19096, 19690, 20020, 22165, 22196, 22568, 23270, 23870, 25060, 25597, 27566, 27745, 28210, 31031, 32578, 35464, 38843, 39380, 40040, 44330, 44392, 46540, 47740, 50120, 51194, 55132, 55490, 56420, 61039, 62062, 65156, 68915, 72137, 77686, 78760, 81445, 88660, 93080, 95480, 102388, 110264, 110980, 112840, 122078, 124124, 127985, 130312, 137830, 144274, 155155, 155372, 162890, 177320, 179179, 194215, 204776, 221960, 244156, 248248, 255970, 275660, 288548, 305195, 310310, 310744, 325780, 358358, 360685, 388430, 427273, 488312, 504959, 511940, 551320, 577096, 610390, 620620, 651560, 716716, 721370, 776860, 793507, 854546, 895895, 1009918, 1023880, 1220780, 1241240, 1433432, 1442740, 1553720, 1587014, 1709092, 1791790, 2019836, 2136365, 2441560, 2524795, 2885480, 3174028, 3418184, 3583580, 3967535, 4039672, 4272730, 5049590, 5554549, 6348056, 7167160, 7935070, 8545460, 10099180, 11109098, 15870140, 17090920, 20198360, 22218196, 27772745, 31740280, 44436392, 55545490, 111090980, 222181960]

約数ペア:

[(1, 222181960), (2, 111090980), (4, 55545490), (5, 44436392), (7, 31740280), (8, 27772745), (10, 22218196), (11, 20198360), (13, 17090920), (14, 15870140), (20, 11109098), (22, 10099180), (26, 8545460), (28, 7935070), (31, 7167160), (35, 6348056), (40, 5554549), (44, 5049590), (52, 4272730), (55, 4039672), (56, 3967535), (62, 3583580), (65, 3418184), (70, 3174028), (77, 2885480), (88, 2524795), (91, 2441560), (104, 2136365), (110, 2019836), (124, 1791790), (130, 1709092), (140, 1587014), (143, 1553720), (154, 1442740), (155, 1433432), (179, 1241240), (182, 1220780), (217, 1023880), (220, 1009918), (248, 895895), (260, 854546), (280, 793507), (286, 776860), (308, 721370), (310, 716716), (341, 651560), (358, 620620), (364, 610390), (385, 577096), (403, 551320), (434, 511940), (440, 504959), (455, 488312), (520, 427273), (572, 388430), (616, 360685), (620, 358358), (682, 325780), (715, 310744), (716, 310310), (728, 305195), (770, 288548), (806, 275660), (868, 255970), (895, 248248), (910, 244156), (1001, 221960), (1085, 204776), (1144, 194215), (1240, 179179), (1253, 177320), (1364, 162890), (1430, 155372), (1432, 155155), (1540, 144274), (1612, 137830), (1705, 130312), (1736, 127985), (1790, 124124), (1820, 122078), (1969, 112840), (2002, 110980), (2015, 110264), (2170, 102388), (2327, 95480), (2387, 93080), (2506, 88660), (2728, 81445), (2821, 78760), (2860, 77686), (3080, 72137), (3224, 68915), (3410, 65156), (3580, 62062), (3640, 61039), (3938, 56420), (4004, 55490), (4030, 55132), (4340, 51194), (4433, 50120), (4654, 47740), (4774, 46540), (5005, 44392), (5012, 44330), (5549, 40040), (5642, 39380), (5720, 38843), (6265, 35464), (6820, 32578), (7160, 31031), (7876, 28210), (8008, 27745), (8060, 27566), (8680, 25597), (8866, 25060), (9308, 23870), (9548, 23270), (9845, 22568), (10010, 22196), (10024, 22165), (11098, 20020), (11284, 19690), (11635, 19096), (11935, 18616), (12530, 17732), (13640, 16289), (13783, 16120), (14105, 15752)]