68151780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 220758720

約数和(自身を除く): 152606940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 243, 270, 324, 333, 370, 379, 405, 444, 486, 540, 555, 666, 740, 758, 810, 972, 999, 1110, 1137, 1215, 1332, 1516, 1620, 1665, 1895, 1998, 2220, 2274, 2430, 2997, 3330, 3411, 3790, 3996, 4548, 4860, 4995, 5685, 5994, 6660, 6822, 7580, 8991, 9990, 10233, 11370, 11988, 13644, 14023, 14985, 17055, 17982, 19980, 20466, 22740, 28046, 29970, 30699, 34110, 35964, 40932, 42069, 44955, 51165, 56092, 59940, 61398, 68220, 70115, 84138, 89910, 92097, 102330, 122796, 126207, 140230, 153495, 168276, 179820, 184194, 204660, 210345, 252414, 280460, 306990, 368388, 378621, 420690, 460485, 504828, 613980, 631035, 757242, 841380, 920970, 1135863, 1262070, 1514484, 1841940, 1893105, 2271726, 2524140, 3407589, 3786210, 4543452, 5679315, 6815178, 7572420, 11358630, 13630356, 17037945, 22717260, 34075890, 68151780]

約数ペア:

[(1, 68151780), (2, 34075890), (3, 22717260), (4, 17037945), (5, 13630356), (6, 11358630), (9, 7572420), (10, 6815178), (12, 5679315), (15, 4543452), (18, 3786210), (20, 3407589), (27, 2524140), (30, 2271726), (36, 1893105), (37, 1841940), (45, 1514484), (54, 1262070), (60, 1135863), (74, 920970), (81, 841380), (90, 757242), (108, 631035), (111, 613980), (135, 504828), (148, 460485), (162, 420690), (180, 378621), (185, 368388), (222, 306990), (243, 280460), (270, 252414), (324, 210345), (333, 204660), (370, 184194), (379, 179820), (405, 168276), (444, 153495), (486, 140230), (540, 126207), (555, 122796), (666, 102330), (740, 92097), (758, 89910), (810, 84138), (972, 70115), (999, 68220), (1110, 61398), (1137, 59940), (1215, 56092), (1332, 51165), (1516, 44955), (1620, 42069), (1665, 40932), (1895, 35964), (1998, 34110), (2220, 30699), (2274, 29970), (2430, 28046), (2997, 22740), (3330, 20466), (3411, 19980), (3790, 17982), (3996, 17055), (4548, 14985), (4860, 14023), (4995, 13644), (5685, 11988), (5994, 11370), (6660, 10233), (6822, 9990), (7580, 8991)]