47721720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 153576000

約数和(自身を除く): 105854280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 149, 157, 170, 204, 255, 298, 314, 340, 408, 447, 471, 510, 596, 628, 680, 745, 785, 894, 942, 1020, 1192, 1256, 1490, 1570, 1788, 1884, 2040, 2235, 2355, 2533, 2669, 2980, 3140, 3576, 3768, 4470, 4710, 5066, 5338, 5960, 6280, 7599, 8007, 8940, 9420, 10132, 10676, 12665, 13345, 15198, 16014, 17880, 18840, 20264, 21352, 23393, 25330, 26690, 30396, 32028, 37995, 40035, 46786, 50660, 53380, 60792, 64056, 70179, 75990, 80070, 93572, 101320, 106760, 116965, 140358, 151980, 160140, 187144, 233930, 280716, 303960, 320280, 350895, 397681, 467860, 561432, 701790, 795362, 935720, 1193043, 1403580, 1590724, 1988405, 2386086, 2807160, 3181448, 3976810, 4772172, 5965215, 7953620, 9544344, 11930430, 15907240, 23860860, 47721720]

約数ペア:

[(1, 47721720), (2, 23860860), (3, 15907240), (4, 11930430), (5, 9544344), (6, 7953620), (8, 5965215), (10, 4772172), (12, 3976810), (15, 3181448), (17, 2807160), (20, 2386086), (24, 1988405), (30, 1590724), (34, 1403580), (40, 1193043), (51, 935720), (60, 795362), (68, 701790), (85, 561432), (102, 467860), (120, 397681), (136, 350895), (149, 320280), (157, 303960), (170, 280716), (204, 233930), (255, 187144), (298, 160140), (314, 151980), (340, 140358), (408, 116965), (447, 106760), (471, 101320), (510, 93572), (596, 80070), (628, 75990), (680, 70179), (745, 64056), (785, 60792), (894, 53380), (942, 50660), (1020, 46786), (1192, 40035), (1256, 37995), (1490, 32028), (1570, 30396), (1788, 26690), (1884, 25330), (2040, 23393), (2235, 21352), (2355, 20264), (2533, 18840), (2669, 17880), (2980, 16014), (3140, 15198), (3576, 13345), (3768, 12665), (4470, 10676), (4710, 10132), (5066, 9420), (5338, 8940), (5960, 8007), (6280, 7599)]