31507630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 78382080

約数和(自身を除く): 46874450

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 29, 34, 35, 55, 58, 70, 77, 83, 85, 110, 119, 145, 154, 166, 170, 187, 203, 238, 290, 319, 374, 385, 406, 415, 493, 581, 595, 638, 770, 830, 913, 935, 986, 1015, 1162, 1190, 1309, 1411, 1595, 1826, 1870, 2030, 2233, 2407, 2465, 2618, 2822, 2905, 3190, 3451, 4466, 4565, 4814, 4930, 5423, 5810, 6391, 6545, 6902, 7055, 9130, 9877, 10846, 11165, 12035, 12782, 13090, 14110, 15521, 16849, 17255, 19754, 22330, 24070, 26477, 27115, 31042, 31955, 33698, 34510, 37961, 40919, 49385, 52954, 54230, 63910, 75922, 77605, 81838, 84245, 98770, 108647, 132385, 155210, 168490, 185339, 189805, 204595, 217294, 264770, 286433, 370678, 379610, 409190, 450109, 543235, 572866, 900218, 926695, 1086470, 1432165, 1853390, 2250545, 2864330, 3150763, 4501090, 6301526, 15753815, 31507630]

約数ペア:

[(1, 31507630), (2, 15753815), (5, 6301526), (7, 4501090), (10, 3150763), (11, 2864330), (14, 2250545), (17, 1853390), (22, 1432165), (29, 1086470), (34, 926695), (35, 900218), (55, 572866), (58, 543235), (70, 450109), (77, 409190), (83, 379610), (85, 370678), (110, 286433), (119, 264770), (145, 217294), (154, 204595), (166, 189805), (170, 185339), (187, 168490), (203, 155210), (238, 132385), (290, 108647), (319, 98770), (374, 84245), (385, 81838), (406, 77605), (415, 75922), (493, 63910), (581, 54230), (595, 52954), (638, 49385), (770, 40919), (830, 37961), (913, 34510), (935, 33698), (986, 31955), (1015, 31042), (1162, 27115), (1190, 26477), (1309, 24070), (1411, 22330), (1595, 19754), (1826, 17255), (1870, 16849), (2030, 15521), (2233, 14110), (2407, 13090), (2465, 12782), (2618, 12035), (2822, 11165), (2905, 10846), (3190, 9877), (3451, 9130), (4466, 7055), (4565, 6902), (4814, 6545), (4930, 6391), (5423, 5810)]