247177840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1839

約数の個数: 160

約数和(自身を含む): 744952320

約数和(自身を除く): 497774480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 665, 728, 760, 910, 988, 1040, 1064, 1235, 1330, 1456, 1520, 1729, 1787, 1820, 1976, 2128, 2470, 2660, 3458, 3574, 3640, 3952, 4940, 5320, 6916, 7148, 7280, 8645, 8935, 9880, 10640, 12509, 13832, 14296, 17290, 17870, 19760, 23231, 25018, 27664, 28592, 33953, 34580, 35740, 46462, 50036, 62545, 67906, 69160, 71480, 92924, 100072, 116155, 125090, 135812, 138320, 142960, 162617, 169765, 185848, 200144, 232310, 237671, 250180, 271624, 325234, 339530, 371696, 441389, 464620, 475342, 500360, 543248, 650468, 679060, 813085, 882778, 929240, 950684, 1000720, 1188355, 1300936, 1358120, 1626170, 1765556, 1858480, 1901368, 2206945, 2376710, 2601872, 2716240, 3089723, 3252340, 3531112, 3802736, 4413890, 4753420, 6179446, 6504680, 7062224, 8827780, 9506840, 12358892, 13009360, 15448615, 17655560, 19013680, 24717784, 30897230, 35311120, 49435568, 61794460, 123588920, 247177840]

約数ペア:

[(1, 247177840), (2, 123588920), (4, 61794460), (5, 49435568), (7, 35311120), (8, 30897230), (10, 24717784), (13, 19013680), (14, 17655560), (16, 15448615), (19, 13009360), (20, 12358892), (26, 9506840), (28, 8827780), (35, 7062224), (38, 6504680), (40, 6179446), (52, 4753420), (56, 4413890), (65, 3802736), (70, 3531112), (76, 3252340), (80, 3089723), (91, 2716240), (95, 2601872), (104, 2376710), (112, 2206945), (130, 1901368), (133, 1858480), (140, 1765556), (152, 1626170), (182, 1358120), (190, 1300936), (208, 1188355), (247, 1000720), (260, 950684), (266, 929240), (280, 882778), (304, 813085), (364, 679060), (380, 650468), (455, 543248), (494, 500360), (520, 475342), (532, 464620), (560, 441389), (665, 371696), (728, 339530), (760, 325234), (910, 271624), (988, 250180), (1040, 237671), (1064, 232310), (1235, 200144), (1330, 185848), (1456, 169765), (1520, 162617), (1729, 142960), (1787, 138320), (1820, 135812), (1976, 125090), (2128, 116155), (2470, 100072), (2660, 92924), (3458, 71480), (3574, 69160), (3640, 67906), (3952, 62545), (4940, 50036), (5320, 46462), (6916, 35740), (7148, 34580), (7280, 33953), (8645, 28592), (8935, 27664), (9880, 25018), (10640, 23231), (12509, 19760), (13832, 17870), (14296, 17290)]