18101880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 62900640

約数和(自身を除く): 44798760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 151, 162, 180, 185, 216, 222, 270, 296, 302, 324, 333, 360, 370, 405, 444, 453, 540, 555, 604, 648, 666, 740, 755, 810, 888, 906, 999, 1080, 1110, 1208, 1332, 1359, 1480, 1510, 1620, 1665, 1812, 1998, 2220, 2265, 2664, 2718, 2997, 3020, 3240, 3330, 3624, 3996, 4077, 4440, 4530, 4995, 5436, 5587, 5994, 6040, 6660, 6795, 7992, 8154, 9060, 9990, 10872, 11174, 11988, 12231, 13320, 13590, 14985, 16308, 16761, 18120, 19980, 20385, 22348, 23976, 24462, 27180, 27935, 29970, 32616, 33522, 39960, 40770, 44696, 48924, 50283, 54360, 55870, 59940, 61155, 67044, 81540, 83805, 97848, 100566, 111740, 119880, 122310, 134088, 150849, 163080, 167610, 201132, 223480, 244620, 251415, 301698, 335220, 402264, 452547, 489240, 502830, 603396, 670440, 754245, 905094, 1005660, 1206792, 1508490, 1810188, 2011320, 2262735, 3016980, 3620376, 4525470, 6033960, 9050940, 18101880]

約数ペア:

[(1, 18101880), (2, 9050940), (3, 6033960), (4, 4525470), (5, 3620376), (6, 3016980), (8, 2262735), (9, 2011320), (10, 1810188), (12, 1508490), (15, 1206792), (18, 1005660), (20, 905094), (24, 754245), (27, 670440), (30, 603396), (36, 502830), (37, 489240), (40, 452547), (45, 402264), (54, 335220), (60, 301698), (72, 251415), (74, 244620), (81, 223480), (90, 201132), (108, 167610), (111, 163080), (120, 150849), (135, 134088), (148, 122310), (151, 119880), (162, 111740), (180, 100566), (185, 97848), (216, 83805), (222, 81540), (270, 67044), (296, 61155), (302, 59940), (324, 55870), (333, 54360), (360, 50283), (370, 48924), (405, 44696), (444, 40770), (453, 39960), (540, 33522), (555, 32616), (604, 29970), (648, 27935), (666, 27180), (740, 24462), (755, 23976), (810, 22348), (888, 20385), (906, 19980), (999, 18120), (1080, 16761), (1110, 16308), (1208, 14985), (1332, 13590), (1359, 13320), (1480, 12231), (1510, 11988), (1620, 11174), (1665, 10872), (1812, 9990), (1998, 9060), (2220, 8154), (2265, 7992), (2664, 6795), (2718, 6660), (2997, 6040), (3020, 5994), (3240, 5587), (3330, 5436), (3624, 4995), (3996, 4530), (4077, 4440)]