215415090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 624431808

約数和(自身を除く): 409016718

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 131, 151, 165, 198, 242, 262, 302, 330, 363, 393, 453, 495, 605, 655, 726, 755, 786, 906, 990, 1089, 1179, 1210, 1310, 1359, 1441, 1510, 1661, 1815, 1965, 2178, 2265, 2358, 2718, 2882, 3322, 3630, 3930, 4323, 4530, 4983, 5445, 5895, 6795, 7205, 8305, 8646, 9966, 10890, 11790, 12969, 13590, 14410, 14949, 15851, 16610, 18271, 19781, 21615, 24915, 25938, 29898, 31702, 36542, 39562, 43230, 47553, 49830, 54813, 59343, 64845, 74745, 79255, 91355, 95106, 98905, 109626, 118686, 129690, 142659, 149490, 158510, 164439, 178029, 182710, 197810, 217591, 237765, 274065, 285318, 296715, 328878, 356058, 435182, 475530, 548130, 593430, 652773, 713295, 822195, 890145, 1087955, 1305546, 1426590, 1644390, 1780290, 1958319, 2175910, 2393501, 3263865, 3916638, 4787002, 6527730, 7180503, 9791595, 11967505, 14361006, 19583190, 21541509, 23935010, 35902515, 43083018, 71805030, 107707545, 215415090]

約数ペア:

[(1, 215415090), (2, 107707545), (3, 71805030), (5, 43083018), (6, 35902515), (9, 23935010), (10, 21541509), (11, 19583190), (15, 14361006), (18, 11967505), (22, 9791595), (30, 7180503), (33, 6527730), (45, 4787002), (55, 3916638), (66, 3263865), (90, 2393501), (99, 2175910), (110, 1958319), (121, 1780290), (131, 1644390), (151, 1426590), (165, 1305546), (198, 1087955), (242, 890145), (262, 822195), (302, 713295), (330, 652773), (363, 593430), (393, 548130), (453, 475530), (495, 435182), (605, 356058), (655, 328878), (726, 296715), (755, 285318), (786, 274065), (906, 237765), (990, 217591), (1089, 197810), (1179, 182710), (1210, 178029), (1310, 164439), (1359, 158510), (1441, 149490), (1510, 142659), (1661, 129690), (1815, 118686), (1965, 109626), (2178, 98905), (2265, 95106), (2358, 91355), (2718, 79255), (2882, 74745), (3322, 64845), (3630, 59343), (3930, 54813), (4323, 49830), (4530, 47553), (4983, 43230), (5445, 39562), (5895, 36542), (6795, 31702), (7205, 29898), (8305, 25938), (8646, 24915), (9966, 21615), (10890, 19781), (11790, 18271), (12969, 16610), (13590, 15851), (14410, 14949)]