18981745920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{44533}}^1$

素因数の和:44597

約数の個数: 216

約数和(自身を含む): 67451374536

約数和(自身を除く): 48469628616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 128, 144, 148, 160, 180, 185, 192, 222, 240, 256, 288, 296, 320, 333, 360, 370, 384, 444, 480, 555, 576, 592, 640, 666, 720, 740, 768, 888, 960, 1110, 1152, 1184, 1280, 1332, 1440, 1480, 1665, 1776, 1920, 2220, 2304, 2368, 2664, 2880, 2960, 3330, 3552, 3840, 4440, 4736, 5328, 5760, 5920, 6660, 7104, 8880, 9472, 10656, 11520, 11840, 13320, 14208, 17760, 21312, 23680, 26640, 28416, 35520, 42624, 44533, 47360, 53280, 71040, 85248, 89066, 106560, 133599, 142080, 178132, 213120, 222665, 267198, 356264, 400797, 426240, 445330, 534396, 667995, 712528, 801594, 890660, 1068792, 1335990, 1425056, 1603188, 1647721, 1781320, 2003985, 2137584, 2671980, 2850112, 3206376, 3295442, 3562640, 4007970, 4275168, 4943163, 5343960, 5700224, 6412752, 6590884, 7125280, 8015940, 8238605, 8550336, 9886326, 10687920, 11400448, 12825504, 13181768, 14250560, 14829489, 16031880, 16477210, 17100672, 19772652, 21375840, 24715815, 25651008, 26363536, 28501120, 29658978, 32063760, 32954420, 34201344, 39545304, 42751680, 49431630, 51302016, 52727072, 57002240, 59317956, 64127520, 65908840, 74147445, 79090608, 85503360, 98863260, 102604032, 105454144, 118635912, 128255040, 131817680, 148294890, 158181216, 171006720, 197726520, 210908288, 237271824, 256510080, 263635360, 296589780, 316362432, 395453040, 421816576, 474543648, 513020160, 527270720, 593179560, 632724864, 790906080, 949087296, 1054541440, 1186359120, 1265449728, 1581812160, 1898174592, 2109082880, 2372718240, 3163624320, 3796349184, 4745436480, 6327248640, 9490872960, 18981745920]

約数ペア:

[(1, 18981745920), (2, 9490872960), (3, 6327248640), (4, 4745436480), (5, 3796349184), (6, 3163624320), (8, 2372718240), (9, 2109082880), (10, 1898174592), (12, 1581812160), (15, 1265449728), (16, 1186359120), (18, 1054541440), (20, 949087296), (24, 790906080), (30, 632724864), (32, 593179560), (36, 527270720), (37, 513020160), (40, 474543648), (45, 421816576), (48, 395453040), (60, 316362432), (64, 296589780), (72, 263635360), (74, 256510080), (80, 237271824), (90, 210908288), (96, 197726520), (111, 171006720), (120, 158181216), (128, 148294890), (144, 131817680), (148, 128255040), (160, 118635912), (180, 105454144), (185, 102604032), (192, 98863260), (222, 85503360), (240, 79090608), (256, 74147445), (288, 65908840), (296, 64127520), (320, 59317956), (333, 57002240), (360, 52727072), (370, 51302016), (384, 49431630), (444, 42751680), (480, 39545304), (555, 34201344), (576, 32954420), (592, 32063760), (640, 29658978), (666, 28501120), (720, 26363536), (740, 25651008), (768, 24715815), (888, 21375840), (960, 19772652), (1110, 17100672), (1152, 16477210), (1184, 16031880), (1280, 14829489), (1332, 14250560), (1440, 13181768), (1480, 12825504), (1665, 11400448), (1776, 10687920), (1920, 9886326), (2220, 8550336), (2304, 8238605), (2368, 8015940), (2664, 7125280), (2880, 6590884), (2960, 6412752), (3330, 5700224), (3552, 5343960), (3840, 4943163), (4440, 4275168), (4736, 4007970), (5328, 3562640), (5760, 3295442), (5920, 3206376), (6660, 2850112), (7104, 2671980), (8880, 2137584), (9472, 2003985), (10656, 1781320), (11520, 1647721), (11840, 1603188), (13320, 1425056), (14208, 1335990), (17760, 1068792), (21312, 890660), (23680, 801594), (26640, 712528), (28416, 667995), (35520, 534396), (42624, 445330), (44533, 426240), (47360, 400797), (53280, 356264), (71040, 267198), (85248, 222665), (89066, 213120), (106560, 178132), (133599, 142080)]