20212501890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2213}}^1$

素因数の和:2345

約数の個数: 256

約数和(自身を含む): 60722970624

約数和(自身を除く): 40510468734

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 31, 35, 42, 46, 61, 62, 69, 70, 93, 105, 115, 122, 138, 155, 161, 183, 186, 210, 217, 230, 305, 310, 322, 345, 366, 427, 434, 465, 483, 610, 651, 690, 713, 805, 854, 915, 930, 966, 1085, 1281, 1302, 1403, 1426, 1610, 1830, 1891, 2135, 2139, 2170, 2213, 2415, 2562, 2806, 3255, 3565, 3782, 4209, 4270, 4278, 4426, 4830, 4991, 5673, 6405, 6510, 6639, 7015, 7130, 8418, 9455, 9821, 9982, 10695, 11065, 11346, 12810, 13237, 13278, 14030, 14973, 15491, 18910, 19642, 21045, 21390, 22130, 24955, 26474, 28365, 29463, 29946, 30982, 33195, 39711, 42090, 43493, 46473, 49105, 49910, 50899, 56730, 58926, 66185, 66390, 68603, 74865, 77455, 79422, 86986, 92946, 98210, 101798, 130479, 132370, 134993, 137206, 147315, 149730, 152697, 154910, 198555, 205809, 217465, 232365, 254495, 260958, 269986, 294630, 304451, 305394, 343015, 356293, 397110, 404979, 411618, 434930, 464730, 480221, 508990, 608902, 652395, 674965, 686030, 712586, 763485, 809958, 913353, 944951, 960442, 1029045, 1068879, 1304790, 1349930, 1440663, 1522255, 1526970, 1577869, 1781465, 1826706, 1889902, 2024895, 2058090, 2137758, 2401105, 2834853, 2881326, 3044510, 3104839, 3155738, 3562930, 4049790, 4184783, 4566765, 4724755, 4733607, 4802210, 5344395, 5669706, 6209678, 7203315, 7889345, 8369566, 9133530, 9314517, 9449510, 9467214, 10688790, 11045083, 12554349, 14174265, 14406630, 15524195, 15778690, 18629034, 20923915, 21733873, 22090166, 23668035, 25108698, 28348530, 29293481, 31048390, 33135249, 41847830, 43467746, 46572585, 47336070, 55225415, 58586962, 62771745, 65201619, 66270498, 87880443, 93145170, 96250009, 108669365, 110450830, 125543490, 130403238, 146467405, 165676245, 175760886, 192500018, 217338730, 288750027, 292934810, 326008095, 331352490, 439402215, 481250045, 577500054, 652016190, 673750063, 878804430, 962500090, 1347500126, 1443750135, 2021250189, 2887500270, 3368750315, 4042500378, 6737500630, 10106250945, 20212501890]

約数ペア:

[(1, 20212501890), (2, 10106250945), (3, 6737500630), (5, 4042500378), (6, 3368750315), (7, 2887500270), (10, 2021250189), (14, 1443750135), (15, 1347500126), (21, 962500090), (23, 878804430), (30, 673750063), (31, 652016190), (35, 577500054), (42, 481250045), (46, 439402215), (61, 331352490), (62, 326008095), (69, 292934810), (70, 288750027), (93, 217338730), (105, 192500018), (115, 175760886), (122, 165676245), (138, 146467405), (155, 130403238), (161, 125543490), (183, 110450830), (186, 108669365), (210, 96250009), (217, 93145170), (230, 87880443), (305, 66270498), (310, 65201619), (322, 62771745), (345, 58586962), (366, 55225415), (427, 47336070), (434, 46572585), (465, 43467746), (483, 41847830), (610, 33135249), (651, 31048390), (690, 29293481), (713, 28348530), (805, 25108698), (854, 23668035), (915, 22090166), (930, 21733873), (966, 20923915), (1085, 18629034), (1281, 15778690), (1302, 15524195), (1403, 14406630), (1426, 14174265), (1610, 12554349), (1830, 11045083), (1891, 10688790), (2135, 9467214), (2139, 9449510), (2170, 9314517), (2213, 9133530), (2415, 8369566), (2562, 7889345), (2806, 7203315), (3255, 6209678), (3565, 5669706), (3782, 5344395), (4209, 4802210), (4270, 4733607), (4278, 4724755), (4426, 4566765), (4830, 4184783), (4991, 4049790), (5673, 3562930), (6405, 3155738), (6510, 3104839), (6639, 3044510), (7015, 2881326), (7130, 2834853), (8418, 2401105), (9455, 2137758), (9821, 2058090), (9982, 2024895), (10695, 1889902), (11065, 1826706), (11346, 1781465), (12810, 1577869), (13237, 1526970), (13278, 1522255), (14030, 1440663), (14973, 1349930), (15491, 1304790), (18910, 1068879), (19642, 1029045), (21045, 960442), (21390, 944951), (22130, 913353), (24955, 809958), (26474, 763485), (28365, 712586), (29463, 686030), (29946, 674965), (30982, 652395), (33195, 608902), (39711, 508990), (42090, 480221), (43493, 464730), (46473, 434930), (49105, 411618), (49910, 404979), (50899, 397110), (56730, 356293), (58926, 343015), (66185, 305394), (66390, 304451), (68603, 294630), (74865, 269986), (77455, 260958), (79422, 254495), (86986, 232365), (92946, 217465), (98210, 205809), (101798, 198555), (130479, 154910), (132370, 152697), (134993, 149730), (137206, 147315)]