87414990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 152085810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 59, 65, 78, 87, 118, 130, 131, 145, 174, 177, 195, 262, 290, 295, 354, 377, 390, 393, 435, 590, 655, 754, 767, 786, 870, 885, 1131, 1310, 1534, 1703, 1711, 1770, 1885, 1965, 2262, 2301, 3406, 3422, 3770, 3799, 3835, 3930, 4602, 5109, 5133, 5655, 7598, 7670, 7729, 8515, 8555, 10218, 10266, 11310, 11397, 11505, 15458, 17030, 17110, 18995, 22243, 22794, 23010, 23187, 25545, 25665, 37990, 38645, 44486, 46374, 49387, 51090, 51330, 56985, 66729, 77290, 98774, 100477, 111215, 113970, 115935, 133458, 148161, 200954, 222430, 224141, 231870, 246935, 296322, 301431, 333645, 448282, 493870, 502385, 602862, 667290, 672423, 740805, 1004770, 1120705, 1344846, 1481610, 1507155, 2241410, 2913833, 3014310, 3362115, 5827666, 6724230, 8741499, 14569165, 17482998, 29138330, 43707495, 87414990]

約数ペア:

[(1, 87414990), (2, 43707495), (3, 29138330), (5, 17482998), (6, 14569165), (10, 8741499), (13, 6724230), (15, 5827666), (26, 3362115), (29, 3014310), (30, 2913833), (39, 2241410), (58, 1507155), (59, 1481610), (65, 1344846), (78, 1120705), (87, 1004770), (118, 740805), (130, 672423), (131, 667290), (145, 602862), (174, 502385), (177, 493870), (195, 448282), (262, 333645), (290, 301431), (295, 296322), (354, 246935), (377, 231870), (390, 224141), (393, 222430), (435, 200954), (590, 148161), (655, 133458), (754, 115935), (767, 113970), (786, 111215), (870, 100477), (885, 98774), (1131, 77290), (1310, 66729), (1534, 56985), (1703, 51330), (1711, 51090), (1770, 49387), (1885, 46374), (1965, 44486), (2262, 38645), (2301, 37990), (3406, 25665), (3422, 25545), (3770, 23187), (3799, 23010), (3835, 22794), (3930, 22243), (4602, 18995), (5109, 17110), (5133, 17030), (5655, 15458), (7598, 11505), (7670, 11397), (7729, 11310), (8515, 10266), (8555, 10218)]