81114480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:133

約数の個数: 240

約数和(自身を含む): 302257440

約数和(自身を除く): 221142960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 47, 48, 51, 54, 60, 68, 72, 80, 85, 90, 94, 102, 108, 120, 135, 136, 141, 144, 153, 170, 180, 188, 204, 216, 235, 240, 255, 270, 272, 282, 306, 340, 360, 376, 408, 423, 432, 459, 470, 510, 540, 564, 612, 680, 705, 720, 752, 765, 799, 816, 846, 918, 940, 1020, 1080, 1128, 1224, 1269, 1360, 1410, 1530, 1598, 1692, 1836, 1880, 2040, 2115, 2160, 2209, 2256, 2295, 2397, 2448, 2538, 2820, 3060, 3196, 3384, 3672, 3760, 3995, 4080, 4230, 4418, 4590, 4794, 5076, 5640, 6120, 6345, 6392, 6627, 6768, 7191, 7344, 7990, 8460, 8836, 9180, 9588, 10152, 11045, 11280, 11985, 12240, 12690, 12784, 13254, 14382, 15980, 16920, 17672, 18360, 19176, 19881, 20304, 21573, 22090, 23970, 25380, 26508, 28764, 31960, 33135, 33840, 35344, 35955, 36720, 37553, 38352, 39762, 43146, 44180, 47940, 50760, 53016, 57528, 59643, 63920, 66270, 71910, 75106, 79524, 86292, 88360, 95880, 99405, 101520, 106032, 107865, 112659, 115056, 119286, 132540, 143820, 150212, 159048, 172584, 176720, 187765, 191760, 198810, 215730, 225318, 238572, 265080, 287640, 298215, 300424, 318096, 337977, 345168, 375530, 397620, 431460, 450636, 477144, 530160, 563295, 575280, 596430, 600848, 675954, 751060, 795240, 862920, 901272, 954288, 1013931, 1126590, 1192860, 1351908, 1502120, 1590480, 1689885, 1725840, 1802544, 2027862, 2253180, 2385720, 2703816, 3004240, 3379770, 4055724, 4506360, 4771440, 5069655, 5407632, 6759540, 8111448, 9012720, 10139310, 13519080, 16222896, 20278620, 27038160, 40557240, 81114480]

約数ペア:

[(1, 81114480), (2, 40557240), (3, 27038160), (4, 20278620), (5, 16222896), (6, 13519080), (8, 10139310), (9, 9012720), (10, 8111448), (12, 6759540), (15, 5407632), (16, 5069655), (17, 4771440), (18, 4506360), (20, 4055724), (24, 3379770), (27, 3004240), (30, 2703816), (34, 2385720), (36, 2253180), (40, 2027862), (45, 1802544), (47, 1725840), (48, 1689885), (51, 1590480), (54, 1502120), (60, 1351908), (68, 1192860), (72, 1126590), (80, 1013931), (85, 954288), (90, 901272), (94, 862920), (102, 795240), (108, 751060), (120, 675954), (135, 600848), (136, 596430), (141, 575280), (144, 563295), (153, 530160), (170, 477144), (180, 450636), (188, 431460), (204, 397620), (216, 375530), (235, 345168), (240, 337977), (255, 318096), (270, 300424), (272, 298215), (282, 287640), (306, 265080), (340, 238572), (360, 225318), (376, 215730), (408, 198810), (423, 191760), (432, 187765), (459, 176720), (470, 172584), (510, 159048), (540, 150212), (564, 143820), (612, 132540), (680, 119286), (705, 115056), (720, 112659), (752, 107865), (765, 106032), (799, 101520), (816, 99405), (846, 95880), (918, 88360), (940, 86292), (1020, 79524), (1080, 75106), (1128, 71910), (1224, 66270), (1269, 63920), (1360, 59643), (1410, 57528), (1530, 53016), (1598, 50760), (1692, 47940), (1836, 44180), (1880, 43146), (2040, 39762), (2115, 38352), (2160, 37553), (2209, 36720), (2256, 35955), (2295, 35344), (2397, 33840), (2448, 33135), (2538, 31960), (2820, 28764), (3060, 26508), (3196, 25380), (3384, 23970), (3672, 22090), (3760, 21573), (3995, 20304), (4080, 19881), (4230, 19176), (4418, 18360), (4590, 17672), (4794, 16920), (5076, 15980), (5640, 14382), (6120, 13254), (6345, 12784), (6392, 12690), (6627, 12240), (6768, 11985), (7191, 11280), (7344, 11045), (7990, 10152), (8460, 9588), (8836, 9180)]