31591440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 117514800

約数和(自身を除く): 85923360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 48, 51, 58, 60, 68, 72, 80, 85, 87, 89, 90, 102, 116, 120, 136, 144, 145, 153, 170, 174, 178, 180, 204, 232, 240, 255, 261, 267, 272, 290, 306, 340, 348, 356, 360, 408, 435, 445, 464, 493, 510, 522, 534, 580, 612, 680, 696, 712, 720, 765, 801, 816, 870, 890, 986, 1020, 1044, 1068, 1160, 1224, 1305, 1335, 1360, 1392, 1424, 1479, 1513, 1530, 1602, 1740, 1780, 1972, 2040, 2088, 2136, 2320, 2448, 2465, 2581, 2610, 2670, 2958, 3026, 3060, 3204, 3480, 3560, 3944, 4005, 4080, 4176, 4272, 4437, 4539, 4930, 5162, 5220, 5340, 5916, 6052, 6120, 6408, 6960, 7120, 7395, 7565, 7743, 7888, 8010, 8874, 9078, 9860, 10324, 10440, 10680, 11832, 12104, 12240, 12816, 12905, 13617, 14790, 15130, 15486, 16020, 17748, 18156, 19720, 20648, 20880, 21360, 22185, 22695, 23229, 23664, 24208, 25810, 27234, 29580, 30260, 30972, 32040, 35496, 36312, 38715, 39440, 41296, 43877, 44370, 45390, 46458, 51620, 54468, 59160, 60520, 61944, 64080, 68085, 70992, 72624, 77430, 87754, 88740, 90780, 92916, 103240, 108936, 116145, 118320, 121040, 123888, 131631, 136170, 154860, 175508, 177480, 181560, 185832, 206480, 217872, 219385, 232290, 263262, 272340, 309720, 351016, 354960, 363120, 371664, 394893, 438770, 464580, 526524, 544680, 619440, 658155, 702032, 789786, 877540, 929160, 1053048, 1089360, 1316310, 1579572, 1755080, 1858320, 1974465, 2106096, 2632620, 3159144, 3510160, 3948930, 5265240, 6318288, 7897860, 10530480, 15795720, 31591440]

約数ペア:

[(1, 31591440), (2, 15795720), (3, 10530480), (4, 7897860), (5, 6318288), (6, 5265240), (8, 3948930), (9, 3510160), (10, 3159144), (12, 2632620), (15, 2106096), (16, 1974465), (17, 1858320), (18, 1755080), (20, 1579572), (24, 1316310), (29, 1089360), (30, 1053048), (34, 929160), (36, 877540), (40, 789786), (45, 702032), (48, 658155), (51, 619440), (58, 544680), (60, 526524), (68, 464580), (72, 438770), (80, 394893), (85, 371664), (87, 363120), (89, 354960), (90, 351016), (102, 309720), (116, 272340), (120, 263262), (136, 232290), (144, 219385), (145, 217872), (153, 206480), (170, 185832), (174, 181560), (178, 177480), (180, 175508), (204, 154860), (232, 136170), (240, 131631), (255, 123888), (261, 121040), (267, 118320), (272, 116145), (290, 108936), (306, 103240), (340, 92916), (348, 90780), (356, 88740), (360, 87754), (408, 77430), (435, 72624), (445, 70992), (464, 68085), (493, 64080), (510, 61944), (522, 60520), (534, 59160), (580, 54468), (612, 51620), (680, 46458), (696, 45390), (712, 44370), (720, 43877), (765, 41296), (801, 39440), (816, 38715), (870, 36312), (890, 35496), (986, 32040), (1020, 30972), (1044, 30260), (1068, 29580), (1160, 27234), (1224, 25810), (1305, 24208), (1335, 23664), (1360, 23229), (1392, 22695), (1424, 22185), (1479, 21360), (1513, 20880), (1530, 20648), (1602, 19720), (1740, 18156), (1780, 17748), (1972, 16020), (2040, 15486), (2088, 15130), (2136, 14790), (2320, 13617), (2448, 12905), (2465, 12816), (2581, 12240), (2610, 12104), (2670, 11832), (2958, 10680), (3026, 10440), (3060, 10324), (3204, 9860), (3480, 9078), (3560, 8874), (3944, 8010), (4005, 7888), (4080, 7743), (4176, 7565), (4272, 7395), (4437, 7120), (4539, 6960), (4930, 6408), (5162, 6120), (5220, 6052), (5340, 5916)]