123588920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1837

約数の個数: 128

約数和(自身を含む): 360460800

約数和(自身を除く): 236871880

約数列:

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

約数ペア:

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