19207440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:166

約数の個数: 240

約数和(自身を含む): 76447488

約数和(自身を除く): 57240048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 103, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 206, 210, 222, 240, 252, 259, 280, 296, 309, 315, 333, 336, 360, 370, 412, 420, 444, 504, 515, 518, 555, 560, 592, 618, 630, 666, 720, 721, 740, 777, 824, 840, 888, 927, 1008, 1030, 1036, 1110, 1236, 1260, 1295, 1332, 1442, 1480, 1545, 1554, 1648, 1665, 1680, 1776, 1854, 2060, 2072, 2163, 2220, 2331, 2472, 2520, 2590, 2664, 2884, 2960, 3090, 3108, 3330, 3605, 3708, 3811, 3885, 4120, 4144, 4326, 4440, 4635, 4662, 4944, 5040, 5180, 5328, 5768, 6180, 6216, 6489, 6660, 7210, 7416, 7622, 7770, 8240, 8652, 8880, 9270, 9324, 10360, 10815, 11433, 11536, 11655, 12360, 12432, 12978, 13320, 14420, 14832, 15244, 15540, 17304, 18540, 18648, 19055, 20720, 21630, 22866, 23310, 24720, 25956, 26640, 26677, 28840, 30488, 31080, 32445, 34299, 34608, 37080, 37296, 38110, 43260, 45732, 46620, 51912, 53354, 57165, 57680, 60976, 62160, 64890, 68598, 74160, 76220, 80031, 86520, 91464, 93240, 103824, 106708, 114330, 129780, 133385, 137196, 152440, 160062, 171495, 173040, 182928, 186480, 213416, 228660, 240093, 259560, 266770, 274392, 304880, 320124, 342990, 400155, 426832, 457320, 480186, 519120, 533540, 548784, 640248, 685980, 800310, 914640, 960372, 1067080, 1200465, 1280496, 1371960, 1600620, 1920744, 2134160, 2400930, 2743920, 3201240, 3841488, 4801860, 6402480, 9603720, 19207440]

約数ペア:

[(1, 19207440), (2, 9603720), (3, 6402480), (4, 4801860), (5, 3841488), (6, 3201240), (7, 2743920), (8, 2400930), (9, 2134160), (10, 1920744), (12, 1600620), (14, 1371960), (15, 1280496), (16, 1200465), (18, 1067080), (20, 960372), (21, 914640), (24, 800310), (28, 685980), (30, 640248), (35, 548784), (36, 533540), (37, 519120), (40, 480186), (42, 457320), (45, 426832), (48, 400155), (56, 342990), (60, 320124), (63, 304880), (70, 274392), (72, 266770), (74, 259560), (80, 240093), (84, 228660), (90, 213416), (103, 186480), (105, 182928), (111, 173040), (112, 171495), (120, 160062), (126, 152440), (140, 137196), (144, 133385), (148, 129780), (168, 114330), (180, 106708), (185, 103824), (206, 93240), (210, 91464), (222, 86520), (240, 80031), (252, 76220), (259, 74160), (280, 68598), (296, 64890), (309, 62160), (315, 60976), (333, 57680), (336, 57165), (360, 53354), (370, 51912), (412, 46620), (420, 45732), (444, 43260), (504, 38110), (515, 37296), (518, 37080), (555, 34608), (560, 34299), (592, 32445), (618, 31080), (630, 30488), (666, 28840), (720, 26677), (721, 26640), (740, 25956), (777, 24720), (824, 23310), (840, 22866), (888, 21630), (927, 20720), (1008, 19055), (1030, 18648), (1036, 18540), (1110, 17304), (1236, 15540), (1260, 15244), (1295, 14832), (1332, 14420), (1442, 13320), (1480, 12978), (1545, 12432), (1554, 12360), (1648, 11655), (1665, 11536), (1680, 11433), (1776, 10815), (1854, 10360), (2060, 9324), (2072, 9270), (2163, 8880), (2220, 8652), (2331, 8240), (2472, 7770), (2520, 7622), (2590, 7416), (2664, 7210), (2884, 6660), (2960, 6489), (3090, 6216), (3108, 6180), (3330, 5768), (3605, 5328), (3708, 5180), (3811, 5040), (3885, 4944), (4120, 4662), (4144, 4635), (4326, 4440)]