81903240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 201143160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 41, 45, 60, 62, 72, 82, 90, 93, 120, 123, 124, 155, 164, 179, 180, 186, 205, 246, 248, 279, 310, 328, 358, 360, 369, 372, 410, 465, 492, 537, 558, 615, 620, 716, 738, 744, 820, 895, 930, 984, 1074, 1116, 1230, 1240, 1271, 1395, 1432, 1476, 1611, 1640, 1790, 1845, 1860, 2148, 2232, 2460, 2542, 2685, 2790, 2952, 3222, 3580, 3690, 3720, 3813, 4296, 4920, 5084, 5370, 5549, 5580, 6355, 6444, 7160, 7339, 7380, 7626, 8055, 10168, 10740, 11098, 11160, 11439, 12710, 12888, 14678, 14760, 15252, 16110, 16647, 19065, 21480, 22017, 22196, 22878, 25420, 27745, 29356, 30504, 32220, 33294, 36695, 38130, 44034, 44392, 45756, 49941, 50840, 55490, 57195, 58712, 64440, 66051, 66588, 73390, 76260, 83235, 88068, 91512, 99882, 110085, 110980, 114390, 132102, 133176, 146780, 152520, 166470, 176136, 199764, 220170, 221960, 227509, 228780, 249705, 264204, 293560, 330255, 332940, 399528, 440340, 455018, 457560, 499410, 528408, 660510, 665880, 682527, 880680, 910036, 998820, 1137545, 1321020, 1365054, 1820072, 1997640, 2047581, 2275090, 2642040, 2730108, 3412635, 4095162, 4550180, 5460216, 6825270, 8190324, 9100360, 10237905, 13650540, 16380648, 20475810, 27301080, 40951620, 81903240]

約数ペア:

[(1, 81903240), (2, 40951620), (3, 27301080), (4, 20475810), (5, 16380648), (6, 13650540), (8, 10237905), (9, 9100360), (10, 8190324), (12, 6825270), (15, 5460216), (18, 4550180), (20, 4095162), (24, 3412635), (30, 2730108), (31, 2642040), (36, 2275090), (40, 2047581), (41, 1997640), (45, 1820072), (60, 1365054), (62, 1321020), (72, 1137545), (82, 998820), (90, 910036), (93, 880680), (120, 682527), (123, 665880), (124, 660510), (155, 528408), (164, 499410), (179, 457560), (180, 455018), (186, 440340), (205, 399528), (246, 332940), (248, 330255), (279, 293560), (310, 264204), (328, 249705), (358, 228780), (360, 227509), (369, 221960), (372, 220170), (410, 199764), (465, 176136), (492, 166470), (537, 152520), (558, 146780), (615, 133176), (620, 132102), (716, 114390), (738, 110980), (744, 110085), (820, 99882), (895, 91512), (930, 88068), (984, 83235), (1074, 76260), (1116, 73390), (1230, 66588), (1240, 66051), (1271, 64440), (1395, 58712), (1432, 57195), (1476, 55490), (1611, 50840), (1640, 49941), (1790, 45756), (1845, 44392), (1860, 44034), (2148, 38130), (2232, 36695), (2460, 33294), (2542, 32220), (2685, 30504), (2790, 29356), (2952, 27745), (3222, 25420), (3580, 22878), (3690, 22196), (3720, 22017), (3813, 21480), (4296, 19065), (4920, 16647), (5084, 16110), (5370, 15252), (5549, 14760), (5580, 14678), (6355, 12888), (6444, 12710), (7160, 11439), (7339, 11160), (7380, 11098), (7626, 10740), (8055, 10168)]