31438800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 240

約数和(自身を含む): 116242560

約数和(自身を除く): 84803760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 41, 45, 48, 50, 54, 60, 71, 72, 75, 80, 82, 90, 100, 108, 120, 123, 135, 142, 144, 150, 164, 180, 200, 205, 213, 216, 225, 240, 246, 270, 284, 300, 328, 355, 360, 369, 400, 410, 426, 432, 450, 492, 540, 568, 600, 615, 639, 656, 675, 710, 720, 738, 820, 852, 900, 984, 1025, 1065, 1080, 1107, 1136, 1200, 1230, 1278, 1350, 1420, 1476, 1640, 1704, 1775, 1800, 1845, 1917, 1968, 2050, 2130, 2160, 2214, 2460, 2556, 2700, 2840, 2911, 2952, 3075, 3195, 3280, 3408, 3550, 3600, 3690, 3834, 4100, 4260, 4428, 4920, 5112, 5325, 5400, 5535, 5680, 5822, 5904, 6150, 6390, 7100, 7380, 7668, 8200, 8520, 8733, 8856, 9225, 9585, 9840, 10224, 10650, 10800, 11070, 11644, 12300, 12780, 14200, 14555, 14760, 15336, 15975, 16400, 17040, 17466, 17712, 18450, 19170, 21300, 22140, 23288, 24600, 25560, 26199, 27675, 28400, 29110, 29520, 30672, 31950, 34932, 36900, 38340, 42600, 43665, 44280, 46576, 47925, 49200, 51120, 52398, 55350, 58220, 63900, 69864, 72775, 73800, 76680, 78597, 85200, 87330, 88560, 95850, 104796, 110700, 116440, 127800, 130995, 139728, 145550, 147600, 153360, 157194, 174660, 191700, 209592, 218325, 221400, 232880, 255600, 261990, 291100, 314388, 349320, 383400, 392985, 419184, 436650, 442800, 523980, 582200, 628776, 654975, 698640, 766800, 785970, 873300, 1047960, 1164400, 1257552, 1309950, 1571940, 1746600, 1964925, 2095920, 2619900, 3143880, 3493200, 3929850, 5239800, 6287760, 7859700, 10479600, 15719400, 31438800]

約数ペア:

[(1, 31438800), (2, 15719400), (3, 10479600), (4, 7859700), (5, 6287760), (6, 5239800), (8, 3929850), (9, 3493200), (10, 3143880), (12, 2619900), (15, 2095920), (16, 1964925), (18, 1746600), (20, 1571940), (24, 1309950), (25, 1257552), (27, 1164400), (30, 1047960), (36, 873300), (40, 785970), (41, 766800), (45, 698640), (48, 654975), (50, 628776), (54, 582200), (60, 523980), (71, 442800), (72, 436650), (75, 419184), (80, 392985), (82, 383400), (90, 349320), (100, 314388), (108, 291100), (120, 261990), (123, 255600), (135, 232880), (142, 221400), (144, 218325), (150, 209592), (164, 191700), (180, 174660), (200, 157194), (205, 153360), (213, 147600), (216, 145550), (225, 139728), (240, 130995), (246, 127800), (270, 116440), (284, 110700), (300, 104796), (328, 95850), (355, 88560), (360, 87330), (369, 85200), (400, 78597), (410, 76680), (426, 73800), (432, 72775), (450, 69864), (492, 63900), (540, 58220), (568, 55350), (600, 52398), (615, 51120), (639, 49200), (656, 47925), (675, 46576), (710, 44280), (720, 43665), (738, 42600), (820, 38340), (852, 36900), (900, 34932), (984, 31950), (1025, 30672), (1065, 29520), (1080, 29110), (1107, 28400), (1136, 27675), (1200, 26199), (1230, 25560), (1278, 24600), (1350, 23288), (1420, 22140), (1476, 21300), (1640, 19170), (1704, 18450), (1775, 17712), (1800, 17466), (1845, 17040), (1917, 16400), (1968, 15975), (2050, 15336), (2130, 14760), (2160, 14555), (2214, 14200), (2460, 12780), (2556, 12300), (2700, 11644), (2840, 11070), (2911, 10800), (2952, 10650), (3075, 10224), (3195, 9840), (3280, 9585), (3408, 9225), (3550, 8856), (3600, 8733), (3690, 8520), (3834, 8200), (4100, 7668), (4260, 7380), (4428, 7100), (4920, 6390), (5112, 6150), (5325, 5904), (5400, 5822), (5535, 5680)]