1815694720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 256

約数和(自身を含む): 5305305600

約数和(自身を除く): 3489610880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 83, 95, 112, 128, 133, 140, 152, 160, 166, 190, 224, 257, 266, 280, 304, 320, 332, 380, 415, 448, 514, 532, 560, 581, 608, 640, 664, 665, 760, 830, 896, 1028, 1064, 1120, 1162, 1216, 1285, 1328, 1330, 1520, 1577, 1660, 1799, 2056, 2128, 2240, 2324, 2432, 2570, 2656, 2660, 2905, 3040, 3154, 3320, 3598, 4112, 4256, 4480, 4648, 4883, 5140, 5312, 5320, 5810, 6080, 6308, 6640, 7196, 7885, 8224, 8512, 8995, 9296, 9766, 10280, 10624, 10640, 11039, 11620, 12160, 12616, 13280, 14392, 15770, 16448, 17024, 17990, 18592, 19532, 20560, 21280, 21331, 22078, 23240, 24415, 25232, 26560, 28784, 31540, 32896, 34181, 35980, 37184, 39064, 41120, 42560, 42662, 44156, 46480, 48830, 50464, 53120, 55195, 57568, 63080, 68362, 71960, 74368, 78128, 82240, 85120, 85324, 88312, 92960, 97660, 100928, 106655, 110390, 115136, 126160, 136724, 143920, 149317, 156256, 164480, 170648, 170905, 176624, 185920, 195320, 201856, 213310, 220780, 230272, 252320, 273448, 287840, 298634, 312512, 341296, 341810, 353248, 371840, 390640, 405289, 426620, 441560, 504640, 546896, 575680, 597268, 625024, 682592, 683620, 706496, 746585, 781280, 810578, 853240, 883120, 1009280, 1093792, 1151360, 1194536, 1365184, 1367240, 1412992, 1493170, 1562560, 1621156, 1706480, 1766240, 2026445, 2187584, 2389072, 2730368, 2734480, 2837023, 2986340, 3125120, 3242312, 3412960, 3532480, 4052890, 4375168, 4778144, 5468960, 5674046, 5972680, 6484624, 6825920, 7064960, 8105780, 9556288, 10937920, 11348092, 11945360, 12969248, 13651840, 14185115, 16211560, 19112576, 21875840, 22696184, 23890720, 25938496, 28370230, 32423120, 45392368, 47781440, 51876992, 56740460, 64846240, 90784736, 95562880, 113480920, 129692480, 181569472, 226961840, 259384960, 363138944, 453923680, 907847360, 1815694720]

約数ペア:

[(1, 1815694720), (2, 907847360), (4, 453923680), (5, 363138944), (7, 259384960), (8, 226961840), (10, 181569472), (14, 129692480), (16, 113480920), (19, 95562880), (20, 90784736), (28, 64846240), (32, 56740460), (35, 51876992), (38, 47781440), (40, 45392368), (56, 32423120), (64, 28370230), (70, 25938496), (76, 23890720), (80, 22696184), (83, 21875840), (95, 19112576), (112, 16211560), (128, 14185115), (133, 13651840), (140, 12969248), (152, 11945360), (160, 11348092), (166, 10937920), (190, 9556288), (224, 8105780), (257, 7064960), (266, 6825920), (280, 6484624), (304, 5972680), (320, 5674046), (332, 5468960), (380, 4778144), (415, 4375168), (448, 4052890), (514, 3532480), (532, 3412960), (560, 3242312), (581, 3125120), (608, 2986340), (640, 2837023), (664, 2734480), (665, 2730368), (760, 2389072), (830, 2187584), (896, 2026445), (1028, 1766240), (1064, 1706480), (1120, 1621156), (1162, 1562560), (1216, 1493170), (1285, 1412992), (1328, 1367240), (1330, 1365184), (1520, 1194536), (1577, 1151360), (1660, 1093792), (1799, 1009280), (2056, 883120), (2128, 853240), (2240, 810578), (2324, 781280), (2432, 746585), (2570, 706496), (2656, 683620), (2660, 682592), (2905, 625024), (3040, 597268), (3154, 575680), (3320, 546896), (3598, 504640), (4112, 441560), (4256, 426620), (4480, 405289), (4648, 390640), (4883, 371840), (5140, 353248), (5312, 341810), (5320, 341296), (5810, 312512), (6080, 298634), (6308, 287840), (6640, 273448), (7196, 252320), (7885, 230272), (8224, 220780), (8512, 213310), (8995, 201856), (9296, 195320), (9766, 185920), (10280, 176624), (10624, 170905), (10640, 170648), (11039, 164480), (11620, 156256), (12160, 149317), (12616, 143920), (13280, 136724), (14392, 126160), (15770, 115136), (16448, 110390), (17024, 106655), (17990, 100928), (18592, 97660), (19532, 92960), (20560, 88312), (21280, 85324), (21331, 85120), (22078, 82240), (23240, 78128), (24415, 74368), (25232, 71960), (26560, 68362), (28784, 63080), (31540, 57568), (32896, 55195), (34181, 53120), (35980, 50464), (37184, 48830), (39064, 46480), (41120, 44156), (42560, 42662)]