747504240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{463}}^1$

素因数の和:548

約数の個数: 240

約数和(自身を含む): 2742395904

約数和(自身を除く): 1994891664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 463, 465, 496, 560, 620, 651, 744, 840, 868, 926, 930, 961, 1085, 1240, 1302, 1389, 1488, 1680, 1736, 1852, 1860, 1922, 2170, 2315, 2480, 2604, 2778, 2883, 3241, 3255, 3472, 3704, 3720, 3844, 4340, 4630, 4805, 5208, 5556, 5766, 6482, 6510, 6727, 6945, 7408, 7440, 7688, 8680, 9260, 9610, 9723, 10416, 11112, 11532, 12964, 13020, 13454, 13890, 14353, 14415, 15376, 16205, 17360, 18520, 19220, 19446, 20181, 22224, 23064, 25928, 26040, 26908, 27780, 28706, 28830, 32410, 33635, 37040, 38440, 38892, 40362, 43059, 46128, 48615, 51856, 52080, 53816, 55560, 57412, 57660, 64820, 67270, 71765, 76880, 77784, 80724, 86118, 97230, 100471, 100905, 107632, 111120, 114824, 115320, 129640, 134540, 143530, 155568, 161448, 172236, 194460, 200942, 201810, 215295, 229648, 230640, 259280, 269080, 287060, 301413, 322896, 344472, 388920, 401884, 403620, 430590, 444943, 502355, 538160, 574120, 602826, 688944, 777840, 803768, 807240, 861180, 889886, 1004710, 1148240, 1205652, 1334829, 1507065, 1607536, 1614480, 1722360, 1779772, 2009420, 2224715, 2411304, 2669658, 3014130, 3114601, 3444720, 3559544, 4018840, 4449430, 4822608, 5339316, 6028260, 6229202, 6674145, 7119088, 8037680, 8898860, 9343803, 10678632, 12056520, 12458404, 13348290, 15573005, 17797720, 18687606, 21357264, 24113040, 24916808, 26696580, 31146010, 35595440, 37375212, 46719015, 49833616, 53393160, 62292020, 74750424, 93438030, 106786320, 124584040, 149500848, 186876060, 249168080, 373752120, 747504240]

約数ペア:

[(1, 747504240), (2, 373752120), (3, 249168080), (4, 186876060), (5, 149500848), (6, 124584040), (7, 106786320), (8, 93438030), (10, 74750424), (12, 62292020), (14, 53393160), (15, 49833616), (16, 46719015), (20, 37375212), (21, 35595440), (24, 31146010), (28, 26696580), (30, 24916808), (31, 24113040), (35, 21357264), (40, 18687606), (42, 17797720), (48, 15573005), (56, 13348290), (60, 12458404), (62, 12056520), (70, 10678632), (80, 9343803), (84, 8898860), (93, 8037680), (105, 7119088), (112, 6674145), (120, 6229202), (124, 6028260), (140, 5339316), (155, 4822608), (168, 4449430), (186, 4018840), (210, 3559544), (217, 3444720), (240, 3114601), (248, 3014130), (280, 2669658), (310, 2411304), (336, 2224715), (372, 2009420), (420, 1779772), (434, 1722360), (463, 1614480), (465, 1607536), (496, 1507065), (560, 1334829), (620, 1205652), (651, 1148240), (744, 1004710), (840, 889886), (868, 861180), (926, 807240), (930, 803768), (961, 777840), (1085, 688944), (1240, 602826), (1302, 574120), (1389, 538160), (1488, 502355), (1680, 444943), (1736, 430590), (1852, 403620), (1860, 401884), (1922, 388920), (2170, 344472), (2315, 322896), (2480, 301413), (2604, 287060), (2778, 269080), (2883, 259280), (3241, 230640), (3255, 229648), (3472, 215295), (3704, 201810), (3720, 200942), (3844, 194460), (4340, 172236), (4630, 161448), (4805, 155568), (5208, 143530), (5556, 134540), (5766, 129640), (6482, 115320), (6510, 114824), (6727, 111120), (6945, 107632), (7408, 100905), (7440, 100471), (7688, 97230), (8680, 86118), (9260, 80724), (9610, 77784), (9723, 76880), (10416, 71765), (11112, 67270), (11532, 64820), (12964, 57660), (13020, 57412), (13454, 55560), (13890, 53816), (14353, 52080), (14415, 51856), (15376, 48615), (16205, 46128), (17360, 43059), (18520, 40362), (19220, 38892), (19446, 38440), (20181, 37040), (22224, 33635), (23064, 32410), (25928, 28830), (26040, 28706), (26908, 27780)]