15020520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 49248000

約数和(自身を除く): 34227480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 37, 40, 51, 60, 68, 74, 85, 102, 111, 120, 136, 148, 170, 185, 199, 204, 222, 255, 296, 340, 370, 398, 408, 444, 510, 555, 597, 629, 680, 740, 796, 888, 995, 1020, 1110, 1194, 1258, 1480, 1592, 1887, 1990, 2040, 2220, 2388, 2516, 2985, 3145, 3383, 3774, 3980, 4440, 4776, 5032, 5970, 6290, 6766, 7363, 7548, 7960, 9435, 10149, 11940, 12580, 13532, 14726, 15096, 16915, 18870, 20298, 22089, 23880, 25160, 27064, 29452, 33830, 36815, 37740, 40596, 44178, 50745, 58904, 67660, 73630, 75480, 81192, 88356, 101490, 110445, 125171, 135320, 147260, 176712, 202980, 220890, 250342, 294520, 375513, 405960, 441780, 500684, 625855, 751026, 883560, 1001368, 1251710, 1502052, 1877565, 2503420, 3004104, 3755130, 5006840, 7510260, 15020520]

約数ペア:

[(1, 15020520), (2, 7510260), (3, 5006840), (4, 3755130), (5, 3004104), (6, 2503420), (8, 1877565), (10, 1502052), (12, 1251710), (15, 1001368), (17, 883560), (20, 751026), (24, 625855), (30, 500684), (34, 441780), (37, 405960), (40, 375513), (51, 294520), (60, 250342), (68, 220890), (74, 202980), (85, 176712), (102, 147260), (111, 135320), (120, 125171), (136, 110445), (148, 101490), (170, 88356), (185, 81192), (199, 75480), (204, 73630), (222, 67660), (255, 58904), (296, 50745), (340, 44178), (370, 40596), (398, 37740), (408, 36815), (444, 33830), (510, 29452), (555, 27064), (597, 25160), (629, 23880), (680, 22089), (740, 20298), (796, 18870), (888, 16915), (995, 15096), (1020, 14726), (1110, 13532), (1194, 12580), (1258, 11940), (1480, 10149), (1592, 9435), (1887, 7960), (1990, 7548), (2040, 7363), (2220, 6766), (2388, 6290), (2516, 5970), (2985, 5032), (3145, 4776), (3383, 4440), (3774, 3980)]