1331279840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{971}}^1$

素因数の和:1057

約数の個数: 192

約数和(自身を含む): 3703553280

約数和(自身を除く): 2372273440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 41, 44, 55, 76, 80, 82, 88, 95, 110, 152, 160, 164, 176, 190, 205, 209, 220, 304, 328, 352, 380, 410, 418, 440, 451, 608, 656, 760, 779, 820, 836, 880, 902, 971, 1045, 1312, 1520, 1558, 1640, 1672, 1760, 1804, 1942, 2090, 2255, 3040, 3116, 3280, 3344, 3608, 3884, 3895, 4180, 4510, 4855, 6232, 6560, 6688, 7216, 7768, 7790, 8360, 8569, 9020, 9710, 10681, 12464, 14432, 15536, 15580, 16720, 17138, 18040, 18449, 19420, 21362, 24928, 31072, 31160, 33440, 34276, 36080, 36898, 38840, 39811, 42724, 42845, 53405, 62320, 68552, 72160, 73796, 77680, 79622, 85448, 85690, 92245, 106810, 124640, 137104, 147592, 155360, 159244, 170896, 171380, 184490, 199055, 202939, 213620, 274208, 295184, 318488, 341792, 342760, 368980, 398110, 405878, 427240, 437921, 590368, 636976, 685520, 737960, 756409, 796220, 811756, 854480, 875842, 1014695, 1273952, 1371040, 1475920, 1512818, 1592440, 1623512, 1708960, 1751684, 2029390, 2189605, 2951840, 3025636, 3184880, 3247024, 3503368, 3782045, 4058780, 4379210, 6051272, 6369760, 6494048, 7006736, 7564090, 8117560, 8320499, 8758420, 12102544, 14013472, 15128180, 16235120, 16640998, 17516840, 24205088, 30256360, 32470240, 33281996, 35033680, 41602495, 60512720, 66563992, 70067360, 83204990, 121025440, 133127984, 166409980, 266255968, 332819960, 665639920, 1331279840]

約数ペア:

[(1, 1331279840), (2, 665639920), (4, 332819960), (5, 266255968), (8, 166409980), (10, 133127984), (11, 121025440), (16, 83204990), (19, 70067360), (20, 66563992), (22, 60512720), (32, 41602495), (38, 35033680), (40, 33281996), (41, 32470240), (44, 30256360), (55, 24205088), (76, 17516840), (80, 16640998), (82, 16235120), (88, 15128180), (95, 14013472), (110, 12102544), (152, 8758420), (160, 8320499), (164, 8117560), (176, 7564090), (190, 7006736), (205, 6494048), (209, 6369760), (220, 6051272), (304, 4379210), (328, 4058780), (352, 3782045), (380, 3503368), (410, 3247024), (418, 3184880), (440, 3025636), (451, 2951840), (608, 2189605), (656, 2029390), (760, 1751684), (779, 1708960), (820, 1623512), (836, 1592440), (880, 1512818), (902, 1475920), (971, 1371040), (1045, 1273952), (1312, 1014695), (1520, 875842), (1558, 854480), (1640, 811756), (1672, 796220), (1760, 756409), (1804, 737960), (1942, 685520), (2090, 636976), (2255, 590368), (3040, 437921), (3116, 427240), (3280, 405878), (3344, 398110), (3608, 368980), (3884, 342760), (3895, 341792), (4180, 318488), (4510, 295184), (4855, 274208), (6232, 213620), (6560, 202939), (6688, 199055), (7216, 184490), (7768, 171380), (7790, 170896), (8360, 159244), (8569, 155360), (9020, 147592), (9710, 137104), (10681, 124640), (12464, 106810), (14432, 92245), (15536, 85690), (15580, 85448), (16720, 79622), (17138, 77680), (18040, 73796), (18449, 72160), (19420, 68552), (21362, 62320), (24928, 53405), (31072, 42845), (31160, 42724), (33440, 39811), (34276, 38840), (36080, 36898)]