31528860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 105283584

約数和(自身を除く): 73754724

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 23, 30, 31, 33, 44, 46, 55, 60, 62, 66, 67, 69, 92, 93, 110, 115, 124, 132, 134, 138, 155, 165, 186, 201, 220, 230, 253, 268, 276, 310, 330, 335, 341, 345, 372, 402, 460, 465, 506, 620, 660, 670, 682, 690, 713, 737, 759, 804, 930, 1005, 1012, 1023, 1265, 1340, 1364, 1380, 1426, 1474, 1518, 1541, 1705, 1860, 2010, 2046, 2077, 2139, 2211, 2530, 2852, 2948, 3036, 3082, 3410, 3565, 3685, 3795, 4020, 4092, 4154, 4278, 4422, 4623, 5060, 5115, 6164, 6231, 6820, 7130, 7370, 7590, 7705, 7843, 8308, 8556, 8844, 9246, 10230, 10385, 10695, 11055, 12462, 14260, 14740, 15180, 15410, 15686, 16951, 18492, 20460, 20770, 21390, 22110, 22847, 23115, 23529, 24924, 30820, 31155, 31372, 33902, 39215, 41540, 42780, 44220, 45694, 46230, 47058, 47771, 50853, 62310, 67804, 68541, 78430, 84755, 91388, 92460, 94116, 95542, 101706, 114235, 117645, 124620, 137082, 143313, 156860, 169510, 191084, 203412, 228470, 235290, 238855, 254265, 274164, 286626, 339020, 342705, 456940, 470580, 477710, 508530, 525481, 573252, 685410, 716565, 955420, 1017060, 1050962, 1370820, 1433130, 1576443, 2101924, 2627405, 2866260, 3152886, 5254810, 6305772, 7882215, 10509620, 15764430, 31528860]

約数ペア:

[(1, 31528860), (2, 15764430), (3, 10509620), (4, 7882215), (5, 6305772), (6, 5254810), (10, 3152886), (11, 2866260), (12, 2627405), (15, 2101924), (20, 1576443), (22, 1433130), (23, 1370820), (30, 1050962), (31, 1017060), (33, 955420), (44, 716565), (46, 685410), (55, 573252), (60, 525481), (62, 508530), (66, 477710), (67, 470580), (69, 456940), (92, 342705), (93, 339020), (110, 286626), (115, 274164), (124, 254265), (132, 238855), (134, 235290), (138, 228470), (155, 203412), (165, 191084), (186, 169510), (201, 156860), (220, 143313), (230, 137082), (253, 124620), (268, 117645), (276, 114235), (310, 101706), (330, 95542), (335, 94116), (341, 92460), (345, 91388), (372, 84755), (402, 78430), (460, 68541), (465, 67804), (506, 62310), (620, 50853), (660, 47771), (670, 47058), (682, 46230), (690, 45694), (713, 44220), (737, 42780), (759, 41540), (804, 39215), (930, 33902), (1005, 31372), (1012, 31155), (1023, 30820), (1265, 24924), (1340, 23529), (1364, 23115), (1380, 22847), (1426, 22110), (1474, 21390), (1518, 20770), (1541, 20460), (1705, 18492), (1860, 16951), (2010, 15686), (2046, 15410), (2077, 15180), (2139, 14740), (2211, 14260), (2530, 12462), (2852, 11055), (2948, 10695), (3036, 10385), (3082, 10230), (3410, 9246), (3565, 8844), (3685, 8556), (3795, 8308), (4020, 7843), (4092, 7705), (4154, 7590), (4278, 7370), (4422, 7130), (4623, 6820), (5060, 6231), (5115, 6164)]