18927480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1141

約数の個数: 128

約数和(自身を含む): 66769920

約数和(自身を除く): 47842440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1103, 1144, 1320, 1430, 1560, 1716, 2145, 2206, 2860, 3309, 3432, 4290, 4412, 5515, 5720, 6618, 8580, 8824, 11030, 12133, 13236, 14339, 16545, 17160, 22060, 24266, 26472, 28678, 33090, 36399, 43017, 44120, 48532, 57356, 60665, 66180, 71695, 72798, 86034, 97064, 114712, 121330, 132360, 143390, 145596, 157729, 172068, 181995, 215085, 242660, 286780, 291192, 315458, 344136, 363990, 430170, 473187, 485320, 573560, 630916, 727980, 788645, 860340, 946374, 1261832, 1455960, 1577290, 1720680, 1892748, 2365935, 3154580, 3785496, 4731870, 6309160, 9463740, 18927480]

約数ペア:

[(1, 18927480), (2, 9463740), (3, 6309160), (4, 4731870), (5, 3785496), (6, 3154580), (8, 2365935), (10, 1892748), (11, 1720680), (12, 1577290), (13, 1455960), (15, 1261832), (20, 946374), (22, 860340), (24, 788645), (26, 727980), (30, 630916), (33, 573560), (39, 485320), (40, 473187), (44, 430170), (52, 363990), (55, 344136), (60, 315458), (65, 291192), (66, 286780), (78, 242660), (88, 215085), (104, 181995), (110, 172068), (120, 157729), (130, 145596), (132, 143390), (143, 132360), (156, 121330), (165, 114712), (195, 97064), (220, 86034), (260, 72798), (264, 71695), (286, 66180), (312, 60665), (330, 57356), (390, 48532), (429, 44120), (440, 43017), (520, 36399), (572, 33090), (660, 28678), (715, 26472), (780, 24266), (858, 22060), (1103, 17160), (1144, 16545), (1320, 14339), (1430, 13236), (1560, 12133), (1716, 11030), (2145, 8824), (2206, 8580), (2860, 6618), (3309, 5720), (3432, 5515), (4290, 4412)]