7867440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{223}}^1$

素因数の和:256

約数の個数: 180

約数和(自身を含む): 30873024

約数和(自身を除く): 23005584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 223, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 446, 490, 504, 560, 588, 630, 669, 720, 735, 784, 840, 882, 892, 980, 1008, 1115, 1176, 1260, 1338, 1470, 1561, 1680, 1764, 1784, 1960, 2007, 2205, 2230, 2352, 2520, 2676, 2940, 3122, 3345, 3528, 3568, 3920, 4014, 4410, 4460, 4683, 5040, 5352, 5880, 6244, 6690, 7056, 7805, 8028, 8820, 8920, 9366, 10035, 10704, 10927, 11760, 12488, 13380, 14049, 15610, 16056, 17640, 17840, 18732, 20070, 21854, 23415, 24976, 26760, 28098, 31220, 32112, 32781, 35280, 37464, 40140, 43708, 46830, 53520, 54635, 56196, 62440, 65562, 70245, 74928, 80280, 87416, 93660, 98343, 109270, 112392, 124880, 131124, 140490, 160560, 163905, 174832, 187320, 196686, 218540, 224784, 262248, 280980, 327810, 374640, 393372, 437080, 491715, 524496, 561960, 655620, 786744, 874160, 983430, 1123920, 1311240, 1573488, 1966860, 2622480, 3933720, 7867440]

約数ペア:

[(1, 7867440), (2, 3933720), (3, 2622480), (4, 1966860), (5, 1573488), (6, 1311240), (7, 1123920), (8, 983430), (9, 874160), (10, 786744), (12, 655620), (14, 561960), (15, 524496), (16, 491715), (18, 437080), (20, 393372), (21, 374640), (24, 327810), (28, 280980), (30, 262248), (35, 224784), (36, 218540), (40, 196686), (42, 187320), (45, 174832), (48, 163905), (49, 160560), (56, 140490), (60, 131124), (63, 124880), (70, 112392), (72, 109270), (80, 98343), (84, 93660), (90, 87416), (98, 80280), (105, 74928), (112, 70245), (120, 65562), (126, 62440), (140, 56196), (144, 54635), (147, 53520), (168, 46830), (180, 43708), (196, 40140), (210, 37464), (223, 35280), (240, 32781), (245, 32112), (252, 31220), (280, 28098), (294, 26760), (315, 24976), (336, 23415), (360, 21854), (392, 20070), (420, 18732), (441, 17840), (446, 17640), (490, 16056), (504, 15610), (560, 14049), (588, 13380), (630, 12488), (669, 11760), (720, 10927), (735, 10704), (784, 10035), (840, 9366), (882, 8920), (892, 8820), (980, 8028), (1008, 7805), (1115, 7056), (1176, 6690), (1260, 6244), (1338, 5880), (1470, 5352), (1561, 5040), (1680, 4683), (1764, 4460), (1784, 4410), (1960, 4014), (2007, 3920), (2205, 3568), (2230, 3528), (2352, 3345), (2520, 3122), (2676, 2940)]