1721286720

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11719}}^1$

素因数の和:11762

約数の個数: 224

約数和(自身を含む): 6430060800

約数和(自身を除く): 4708774080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 408, 432, 459, 480, 510, 540, 544, 576, 612, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 2040, 2160, 2295, 2448, 2720, 2880, 3060, 3264, 3672, 4080, 4320, 4590, 4896, 5440, 6120, 7344, 8160, 8640, 9180, 9792, 11719, 12240, 14688, 16320, 18360, 23438, 24480, 29376, 35157, 36720, 46876, 48960, 58595, 70314, 73440, 93752, 105471, 117190, 140628, 146880, 175785, 187504, 199223, 210942, 234380, 281256, 316413, 351570, 375008, 398446, 421884, 468760, 527355, 562512, 597669, 632826, 703140, 750016, 796892, 843768, 937520, 996115, 1054710, 1125024, 1195338, 1265652, 1406280, 1582065, 1593784, 1687536, 1793007, 1875040, 1992230, 2109420, 2250048, 2390676, 2531304, 2812560, 2988345, 3164130, 3187568, 3375072, 3586014, 3750080, 3984460, 4218840, 4781352, 5062608, 5379021, 5625120, 5976690, 6328260, 6375136, 6750144, 7172028, 7968920, 8437680, 8965035, 9562704, 10125216, 10758042, 11250240, 11953380, 12656520, 12750272, 14344056, 15937840, 16875360, 17930070, 19125408, 20250432, 21516084, 23906760, 25313040, 26895105, 28688112, 31875680, 33750720, 35860140, 38250816, 43032168, 47813520, 50626080, 53790210, 57376224, 63751360, 71720280, 86064336, 95627040, 101252160, 107580420, 114752448, 143440560, 172128672, 191254080, 215160840, 286881120, 344257344, 430321680, 573762240, 860643360, 1721286720]

約数ペア:

[(1, 1721286720), (2, 860643360), (3, 573762240), (4, 430321680), (5, 344257344), (6, 286881120), (8, 215160840), (9, 191254080), (10, 172128672), (12, 143440560), (15, 114752448), (16, 107580420), (17, 101252160), (18, 95627040), (20, 86064336), (24, 71720280), (27, 63751360), (30, 57376224), (32, 53790210), (34, 50626080), (36, 47813520), (40, 43032168), (45, 38250816), (48, 35860140), (51, 33750720), (54, 31875680), (60, 28688112), (64, 26895105), (68, 25313040), (72, 23906760), (80, 21516084), (85, 20250432), (90, 19125408), (96, 17930070), (102, 16875360), (108, 15937840), (120, 14344056), (135, 12750272), (136, 12656520), (144, 11953380), (153, 11250240), (160, 10758042), (170, 10125216), (180, 9562704), (192, 8965035), (204, 8437680), (216, 7968920), (240, 7172028), (255, 6750144), (270, 6375136), (272, 6328260), (288, 5976690), (306, 5625120), (320, 5379021), (340, 5062608), (360, 4781352), (408, 4218840), (432, 3984460), (459, 3750080), (480, 3586014), (510, 3375072), (540, 3187568), (544, 3164130), (576, 2988345), (612, 2812560), (680, 2531304), (720, 2390676), (765, 2250048), (816, 2109420), (864, 1992230), (918, 1875040), (960, 1793007), (1020, 1687536), (1080, 1593784), (1088, 1582065), (1224, 1406280), (1360, 1265652), (1440, 1195338), (1530, 1125024), (1632, 1054710), (1728, 996115), (1836, 937520), (2040, 843768), (2160, 796892), (2295, 750016), (2448, 703140), (2720, 632826), (2880, 597669), (3060, 562512), (3264, 527355), (3672, 468760), (4080, 421884), (4320, 398446), (4590, 375008), (4896, 351570), (5440, 316413), (6120, 281256), (7344, 234380), (8160, 210942), (8640, 199223), (9180, 187504), (9792, 175785), (11719, 146880), (12240, 140628), (14688, 117190), (16320, 105471), (18360, 93752), (23438, 73440), (24480, 70314), (29376, 58595), (35157, 48960), (36720, 46876)]