18036720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 68245632

約数和(自身を除く): 50208912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 47, 48, 52, 60, 65, 72, 78, 80, 82, 90, 94, 104, 117, 120, 123, 130, 141, 144, 156, 164, 180, 188, 195, 205, 208, 234, 235, 240, 246, 260, 282, 312, 328, 360, 369, 376, 390, 410, 423, 468, 470, 492, 520, 533, 564, 585, 611, 615, 624, 656, 705, 720, 738, 752, 780, 820, 846, 936, 940, 984, 1040, 1066, 1128, 1170, 1222, 1230, 1410, 1476, 1560, 1599, 1640, 1692, 1833, 1845, 1872, 1880, 1927, 1968, 2115, 2132, 2256, 2340, 2444, 2460, 2665, 2820, 2952, 3055, 3120, 3198, 3280, 3384, 3666, 3690, 3760, 3854, 4230, 4264, 4680, 4797, 4888, 4920, 5330, 5499, 5640, 5781, 5904, 6110, 6396, 6768, 7332, 7380, 7708, 7995, 8460, 8528, 9165, 9360, 9594, 9635, 9776, 9840, 10660, 10998, 11280, 11562, 12220, 12792, 14664, 14760, 15416, 15990, 16920, 17343, 18330, 19188, 19270, 21320, 21996, 23124, 23985, 24440, 25051, 25584, 27495, 28905, 29328, 29520, 30832, 31980, 33840, 34686, 36660, 38376, 38540, 42640, 43992, 46248, 47970, 48880, 50102, 54990, 57810, 63960, 69372, 73320, 75153, 76752, 77080, 86715, 87984, 92496, 95940, 100204, 109980, 115620, 125255, 127920, 138744, 146640, 150306, 154160, 173430, 191880, 200408, 219960, 225459, 231240, 250510, 277488, 300612, 346860, 375765, 383760, 400816, 439920, 450918, 462480, 501020, 601224, 693720, 751530, 901836, 1002040, 1127295, 1202448, 1387440, 1503060, 1803672, 2004080, 2254590, 3006120, 3607344, 4509180, 6012240, 9018360, 18036720]

約数ペア:

[(1, 18036720), (2, 9018360), (3, 6012240), (4, 4509180), (5, 3607344), (6, 3006120), (8, 2254590), (9, 2004080), (10, 1803672), (12, 1503060), (13, 1387440), (15, 1202448), (16, 1127295), (18, 1002040), (20, 901836), (24, 751530), (26, 693720), (30, 601224), (36, 501020), (39, 462480), (40, 450918), (41, 439920), (45, 400816), (47, 383760), (48, 375765), (52, 346860), (60, 300612), (65, 277488), (72, 250510), (78, 231240), (80, 225459), (82, 219960), (90, 200408), (94, 191880), (104, 173430), (117, 154160), (120, 150306), (123, 146640), (130, 138744), (141, 127920), (144, 125255), (156, 115620), (164, 109980), (180, 100204), (188, 95940), (195, 92496), (205, 87984), (208, 86715), (234, 77080), (235, 76752), (240, 75153), (246, 73320), (260, 69372), (282, 63960), (312, 57810), (328, 54990), (360, 50102), (369, 48880), (376, 47970), (390, 46248), (410, 43992), (423, 42640), (468, 38540), (470, 38376), (492, 36660), (520, 34686), (533, 33840), (564, 31980), (585, 30832), (611, 29520), (615, 29328), (624, 28905), (656, 27495), (705, 25584), (720, 25051), (738, 24440), (752, 23985), (780, 23124), (820, 21996), (846, 21320), (936, 19270), (940, 19188), (984, 18330), (1040, 17343), (1066, 16920), (1128, 15990), (1170, 15416), (1222, 14760), (1230, 14664), (1410, 12792), (1476, 12220), (1560, 11562), (1599, 11280), (1640, 10998), (1692, 10660), (1833, 9840), (1845, 9776), (1872, 9635), (1880, 9594), (1927, 9360), (1968, 9165), (2115, 8528), (2132, 8460), (2256, 7995), (2340, 7708), (2444, 7380), (2460, 7332), (2665, 6768), (2820, 6396), (2952, 6110), (3055, 5904), (3120, 5781), (3198, 5640), (3280, 5499), (3384, 5330), (3666, 4920), (3690, 4888), (3760, 4797), (3854, 4680), (4230, 4264)]