18025440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 61426512

約数和(自身を除く): 43401072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 47, 48, 51, 60, 68, 80, 85, 94, 96, 102, 120, 136, 141, 160, 170, 188, 204, 235, 240, 255, 272, 282, 340, 376, 408, 470, 480, 510, 544, 564, 680, 705, 752, 799, 816, 940, 1020, 1128, 1360, 1410, 1504, 1598, 1632, 1880, 2040, 2209, 2256, 2397, 2720, 2820, 3196, 3760, 3995, 4080, 4418, 4512, 4794, 5640, 6392, 6627, 7520, 7990, 8160, 8836, 9588, 11045, 11280, 11985, 12784, 13254, 15980, 17672, 19176, 22090, 22560, 23970, 25568, 26508, 31960, 33135, 35344, 37553, 38352, 44180, 47940, 53016, 63920, 66270, 70688, 75106, 76704, 88360, 95880, 106032, 112659, 127840, 132540, 150212, 176720, 187765, 191760, 212064, 225318, 265080, 300424, 353440, 375530, 383520, 450636, 530160, 563295, 600848, 751060, 901272, 1060320, 1126590, 1201696, 1502120, 1802544, 2253180, 3004240, 3605088, 4506360, 6008480, 9012720, 18025440]

約数ペア:

[(1, 18025440), (2, 9012720), (3, 6008480), (4, 4506360), (5, 3605088), (6, 3004240), (8, 2253180), (10, 1802544), (12, 1502120), (15, 1201696), (16, 1126590), (17, 1060320), (20, 901272), (24, 751060), (30, 600848), (32, 563295), (34, 530160), (40, 450636), (47, 383520), (48, 375530), (51, 353440), (60, 300424), (68, 265080), (80, 225318), (85, 212064), (94, 191760), (96, 187765), (102, 176720), (120, 150212), (136, 132540), (141, 127840), (160, 112659), (170, 106032), (188, 95880), (204, 88360), (235, 76704), (240, 75106), (255, 70688), (272, 66270), (282, 63920), (340, 53016), (376, 47940), (408, 44180), (470, 38352), (480, 37553), (510, 35344), (544, 33135), (564, 31960), (680, 26508), (705, 25568), (752, 23970), (799, 22560), (816, 22090), (940, 19176), (1020, 17672), (1128, 15980), (1360, 13254), (1410, 12784), (1504, 11985), (1598, 11280), (1632, 11045), (1880, 9588), (2040, 8836), (2209, 8160), (2256, 7990), (2397, 7520), (2720, 6627), (2820, 6392), (3196, 5640), (3760, 4794), (3995, 4512), (4080, 4418)]