18958800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 72451712

約数和(自身を除く): 53492912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 37, 40, 42, 48, 50, 56, 60, 61, 70, 74, 75, 80, 84, 100, 105, 111, 112, 120, 122, 140, 148, 150, 168, 175, 183, 185, 200, 210, 222, 240, 244, 259, 280, 296, 300, 305, 336, 350, 366, 370, 400, 420, 427, 444, 488, 518, 525, 555, 560, 592, 600, 610, 700, 732, 740, 777, 840, 854, 888, 915, 925, 976, 1036, 1050, 1110, 1200, 1220, 1281, 1295, 1400, 1464, 1480, 1525, 1554, 1680, 1708, 1776, 1830, 1850, 2072, 2100, 2135, 2220, 2257, 2440, 2562, 2590, 2775, 2800, 2928, 2960, 3050, 3108, 3416, 3660, 3700, 3885, 4144, 4200, 4270, 4440, 4514, 4575, 4880, 5124, 5180, 5550, 6100, 6216, 6405, 6475, 6771, 6832, 7320, 7400, 7770, 8400, 8540, 8880, 9028, 9150, 10248, 10360, 10675, 11100, 11285, 12200, 12432, 12810, 12950, 13542, 14640, 14800, 15540, 15799, 17080, 18056, 18300, 19425, 20496, 20720, 21350, 22200, 22570, 24400, 25620, 25900, 27084, 31080, 31598, 32025, 33855, 34160, 36112, 36600, 38850, 42700, 44400, 45140, 47397, 51240, 51800, 54168, 56425, 62160, 63196, 64050, 67710, 73200, 77700, 78995, 85400, 90280, 94794, 102480, 103600, 108336, 112850, 126392, 128100, 135420, 155400, 157990, 169275, 170800, 180560, 189588, 225700, 236985, 252784, 256200, 270840, 310800, 315980, 338550, 379176, 394975, 451400, 473970, 512400, 541680, 631960, 677100, 758352, 789950, 902800, 947940, 1184925, 1263920, 1354200, 1579900, 1895880, 2369850, 2708400, 3159800, 3791760, 4739700, 6319600, 9479400, 18958800]

約数ペア:

[(1, 18958800), (2, 9479400), (3, 6319600), (4, 4739700), (5, 3791760), (6, 3159800), (7, 2708400), (8, 2369850), (10, 1895880), (12, 1579900), (14, 1354200), (15, 1263920), (16, 1184925), (20, 947940), (21, 902800), (24, 789950), (25, 758352), (28, 677100), (30, 631960), (35, 541680), (37, 512400), (40, 473970), (42, 451400), (48, 394975), (50, 379176), (56, 338550), (60, 315980), (61, 310800), (70, 270840), (74, 256200), (75, 252784), (80, 236985), (84, 225700), (100, 189588), (105, 180560), (111, 170800), (112, 169275), (120, 157990), (122, 155400), (140, 135420), (148, 128100), (150, 126392), (168, 112850), (175, 108336), (183, 103600), (185, 102480), (200, 94794), (210, 90280), (222, 85400), (240, 78995), (244, 77700), (259, 73200), (280, 67710), (296, 64050), (300, 63196), (305, 62160), (336, 56425), (350, 54168), (366, 51800), (370, 51240), (400, 47397), (420, 45140), (427, 44400), (444, 42700), (488, 38850), (518, 36600), (525, 36112), (555, 34160), (560, 33855), (592, 32025), (600, 31598), (610, 31080), (700, 27084), (732, 25900), (740, 25620), (777, 24400), (840, 22570), (854, 22200), (888, 21350), (915, 20720), (925, 20496), (976, 19425), (1036, 18300), (1050, 18056), (1110, 17080), (1200, 15799), (1220, 15540), (1281, 14800), (1295, 14640), (1400, 13542), (1464, 12950), (1480, 12810), (1525, 12432), (1554, 12200), (1680, 11285), (1708, 11100), (1776, 10675), (1830, 10360), (1850, 10248), (2072, 9150), (2100, 9028), (2135, 8880), (2220, 8540), (2257, 8400), (2440, 7770), (2562, 7400), (2590, 7320), (2775, 6832), (2800, 6771), (2928, 6475), (2960, 6405), (3050, 6216), (3108, 6100), (3416, 5550), (3660, 5180), (3700, 5124), (3885, 4880), (4144, 4575), (4200, 4514), (4270, 4440)]