81462900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 249359040

約数和(自身を除く): 167896140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 41, 50, 60, 74, 75, 82, 100, 111, 123, 148, 150, 164, 179, 185, 205, 222, 246, 300, 358, 370, 410, 444, 492, 537, 555, 615, 716, 740, 820, 895, 925, 1025, 1074, 1110, 1230, 1517, 1790, 1850, 2050, 2148, 2220, 2460, 2685, 2775, 3034, 3075, 3580, 3700, 4100, 4475, 4551, 5370, 5550, 6068, 6150, 6623, 7339, 7585, 8950, 9102, 10740, 11100, 12300, 13246, 13425, 14678, 15170, 17900, 18204, 19869, 22017, 22755, 26492, 26850, 29356, 30340, 33115, 36695, 37925, 39738, 44034, 45510, 53700, 66230, 73390, 75850, 79476, 88068, 91020, 99345, 110085, 113775, 132460, 146780, 151700, 165575, 183475, 198690, 220170, 227550, 271543, 331150, 366950, 397380, 440340, 455100, 496725, 543086, 550425, 662300, 733900, 814629, 993450, 1086172, 1100850, 1357715, 1629258, 1986900, 2201700, 2715430, 3258516, 4073145, 5430860, 6788575, 8146290, 13577150, 16292580, 20365725, 27154300, 40731450, 81462900]

約数ペア:

[(1, 81462900), (2, 40731450), (3, 27154300), (4, 20365725), (5, 16292580), (6, 13577150), (10, 8146290), (12, 6788575), (15, 5430860), (20, 4073145), (25, 3258516), (30, 2715430), (37, 2201700), (41, 1986900), (50, 1629258), (60, 1357715), (74, 1100850), (75, 1086172), (82, 993450), (100, 814629), (111, 733900), (123, 662300), (148, 550425), (150, 543086), (164, 496725), (179, 455100), (185, 440340), (205, 397380), (222, 366950), (246, 331150), (300, 271543), (358, 227550), (370, 220170), (410, 198690), (444, 183475), (492, 165575), (537, 151700), (555, 146780), (615, 132460), (716, 113775), (740, 110085), (820, 99345), (895, 91020), (925, 88068), (1025, 79476), (1074, 75850), (1110, 73390), (1230, 66230), (1517, 53700), (1790, 45510), (1850, 44034), (2050, 39738), (2148, 37925), (2220, 36695), (2460, 33115), (2685, 30340), (2775, 29356), (3034, 26850), (3075, 26492), (3580, 22755), (3700, 22017), (4100, 19869), (4475, 18204), (4551, 17900), (5370, 15170), (5550, 14678), (6068, 13425), (6150, 13246), (6623, 12300), (7339, 11100), (7585, 10740), (8950, 9102)]