81774360

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 201272040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 47, 54, 60, 72, 81, 90, 94, 108, 120, 135, 141, 162, 179, 180, 188, 216, 235, 243, 270, 282, 324, 358, 360, 376, 405, 423, 470, 486, 537, 540, 564, 648, 705, 716, 810, 846, 895, 940, 972, 1074, 1080, 1128, 1215, 1269, 1410, 1432, 1611, 1620, 1692, 1790, 1880, 1944, 2115, 2148, 2430, 2538, 2685, 2820, 3222, 3240, 3384, 3580, 3807, 4230, 4296, 4833, 4860, 5076, 5370, 5640, 6345, 6444, 7160, 7614, 8055, 8413, 8460, 9666, 9720, 10152, 10740, 11421, 12690, 12888, 14499, 15228, 16110, 16826, 16920, 19035, 19332, 21480, 22842, 24165, 25239, 25380, 28998, 30456, 32220, 33652, 38070, 38664, 42065, 43497, 45684, 48330, 50478, 50760, 57105, 57996, 64440, 67304, 72495, 75717, 76140, 84130, 86994, 91368, 96660, 100956, 114210, 115992, 126195, 144990, 151434, 152280, 168260, 173988, 193320, 201912, 217485, 227151, 228420, 252390, 289980, 302868, 336520, 347976, 378585, 434970, 454302, 456840, 504780, 579960, 605736, 681453, 757170, 869940, 908604, 1009560, 1135755, 1362906, 1514340, 1739880, 1817208, 2044359, 2271510, 2725812, 3028680, 3407265, 4088718, 4543020, 5451624, 6814530, 8177436, 9086040, 10221795, 13629060, 16354872, 20443590, 27258120, 40887180, 81774360]

約数ペア:

[(1, 81774360), (2, 40887180), (3, 27258120), (4, 20443590), (5, 16354872), (6, 13629060), (8, 10221795), (9, 9086040), (10, 8177436), (12, 6814530), (15, 5451624), (18, 4543020), (20, 4088718), (24, 3407265), (27, 3028680), (30, 2725812), (36, 2271510), (40, 2044359), (45, 1817208), (47, 1739880), (54, 1514340), (60, 1362906), (72, 1135755), (81, 1009560), (90, 908604), (94, 869940), (108, 757170), (120, 681453), (135, 605736), (141, 579960), (162, 504780), (179, 456840), (180, 454302), (188, 434970), (216, 378585), (235, 347976), (243, 336520), (270, 302868), (282, 289980), (324, 252390), (358, 228420), (360, 227151), (376, 217485), (405, 201912), (423, 193320), (470, 173988), (486, 168260), (537, 152280), (540, 151434), (564, 144990), (648, 126195), (705, 115992), (716, 114210), (810, 100956), (846, 96660), (895, 91368), (940, 86994), (972, 84130), (1074, 76140), (1080, 75717), (1128, 72495), (1215, 67304), (1269, 64440), (1410, 57996), (1432, 57105), (1611, 50760), (1620, 50478), (1692, 48330), (1790, 45684), (1880, 43497), (1944, 42065), (2115, 38664), (2148, 38070), (2430, 33652), (2538, 32220), (2685, 30456), (2820, 28998), (3222, 25380), (3240, 25239), (3384, 24165), (3580, 22842), (3807, 21480), (4230, 19332), (4296, 19035), (4833, 16920), (4860, 16826), (5076, 16110), (5370, 15228), (5640, 14499), (6345, 12888), (6444, 12690), (7160, 11421), (7614, 10740), (8055, 10152), (8413, 9720), (8460, 9666)]