209570760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1505

約数の個数: 256

約数和(自身を含む): 840960000

約数和(自身を除く): 631389240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1459, 1512, 1596, 1710, 1890, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2918, 3192, 3420, 3591, 3780, 3990, 4104, 4377, 4788, 5130, 5320, 5836, 5985, 6840, 7182, 7295, 7560, 7980, 8754, 9576, 10213, 10260, 11672, 11970, 13131, 14364, 14590, 15960, 17508, 17955, 20426, 20520, 21885, 23940, 26262, 27721, 28728, 29180, 30639, 35016, 35910, 39393, 40852, 43770, 47880, 51065, 52524, 55442, 58360, 61278, 65655, 71820, 78786, 81704, 83163, 87540, 91917, 102130, 105048, 110884, 122556, 131310, 138605, 143640, 153195, 157572, 166326, 175080, 183834, 194047, 196965, 204260, 221768, 245112, 249489, 262620, 275751, 277210, 306390, 315144, 332652, 367668, 388094, 393930, 408520, 415815, 459585, 498978, 525240, 551502, 554420, 582141, 612780, 665304, 735336, 748467, 776188, 787860, 831630, 919170, 970235, 997956, 1103004, 1108840, 1164282, 1225560, 1247445, 1378755, 1496934, 1552376, 1575720, 1663260, 1746423, 1838340, 1940470, 1995912, 2206008, 2328564, 2494890, 2757510, 2910705, 2993868, 3326520, 3492846, 3676680, 3742335, 3880940, 4657128, 4989780, 5239269, 5515020, 5821410, 5987736, 6985692, 7484670, 7761880, 8732115, 9979560, 10478538, 11030040, 11642820, 13971384, 14969340, 17464230, 20957076, 23285640, 26196345, 29938680, 34928460, 41914152, 52392690, 69856920, 104785380, 209570760]

約数ペア:

[(1, 209570760), (2, 104785380), (3, 69856920), (4, 52392690), (5, 41914152), (6, 34928460), (7, 29938680), (8, 26196345), (9, 23285640), (10, 20957076), (12, 17464230), (14, 14969340), (15, 13971384), (18, 11642820), (19, 11030040), (20, 10478538), (21, 9979560), (24, 8732115), (27, 7761880), (28, 7484670), (30, 6985692), (35, 5987736), (36, 5821410), (38, 5515020), (40, 5239269), (42, 4989780), (45, 4657128), (54, 3880940), (56, 3742335), (57, 3676680), (60, 3492846), (63, 3326520), (70, 2993868), (72, 2910705), (76, 2757510), (84, 2494890), (90, 2328564), (95, 2206008), (105, 1995912), (108, 1940470), (114, 1838340), (120, 1746423), (126, 1663260), (133, 1575720), (135, 1552376), (140, 1496934), (152, 1378755), (168, 1247445), (171, 1225560), (180, 1164282), (189, 1108840), (190, 1103004), (210, 997956), (216, 970235), (228, 919170), (252, 831630), (266, 787860), (270, 776188), (280, 748467), (285, 735336), (315, 665304), (342, 612780), (360, 582141), (378, 554420), (380, 551502), (399, 525240), (420, 498978), (456, 459585), (504, 415815), (513, 408520), (532, 393930), (540, 388094), (570, 367668), (630, 332652), (665, 315144), (684, 306390), (756, 277210), (760, 275751), (798, 262620), (840, 249489), (855, 245112), (945, 221768), (1026, 204260), (1064, 196965), (1080, 194047), (1140, 183834), (1197, 175080), (1260, 166326), (1330, 157572), (1368, 153195), (1459, 143640), (1512, 138605), (1596, 131310), (1710, 122556), (1890, 110884), (1995, 105048), (2052, 102130), (2280, 91917), (2394, 87540), (2520, 83163), (2565, 81704), (2660, 78786), (2918, 71820), (3192, 65655), (3420, 61278), (3591, 58360), (3780, 55442), (3990, 52524), (4104, 51065), (4377, 47880), (4788, 43770), (5130, 40852), (5320, 39393), (5836, 35910), (5985, 35016), (6840, 30639), (7182, 29180), (7295, 28728), (7560, 27721), (7980, 26262), (8754, 23940), (9576, 21885), (10213, 20520), (10260, 20426), (11672, 17955), (11970, 17508), (13131, 15960), (14364, 14590)]