123493160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 128

約数和(自身を含む): 338688000

約数和(自身を除く): 215194840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 139, 140, 152, 167, 190, 266, 278, 280, 334, 380, 532, 556, 665, 668, 695, 760, 835, 973, 1064, 1112, 1169, 1330, 1336, 1390, 1670, 1946, 2338, 2641, 2660, 2780, 3173, 3340, 3892, 4676, 4865, 5282, 5320, 5560, 5845, 6346, 6680, 7784, 9352, 9730, 10564, 11690, 12692, 13205, 15865, 18487, 19460, 21128, 22211, 23213, 23380, 25384, 26410, 31730, 36974, 38920, 44422, 46426, 46760, 52820, 63460, 73948, 88844, 92435, 92852, 105640, 111055, 116065, 126920, 147896, 162491, 177688, 184870, 185704, 222110, 232130, 324982, 369740, 441047, 444220, 464260, 649964, 739480, 812455, 882094, 888440, 928520, 1299928, 1624910, 1764188, 2205235, 3087329, 3249820, 3528376, 4410470, 6174658, 6499640, 8820940, 12349316, 15436645, 17641880, 24698632, 30873290, 61746580, 123493160]

約数ペア:

[(1, 123493160), (2, 61746580), (4, 30873290), (5, 24698632), (7, 17641880), (8, 15436645), (10, 12349316), (14, 8820940), (19, 6499640), (20, 6174658), (28, 4410470), (35, 3528376), (38, 3249820), (40, 3087329), (56, 2205235), (70, 1764188), (76, 1624910), (95, 1299928), (133, 928520), (139, 888440), (140, 882094), (152, 812455), (167, 739480), (190, 649964), (266, 464260), (278, 444220), (280, 441047), (334, 369740), (380, 324982), (532, 232130), (556, 222110), (665, 185704), (668, 184870), (695, 177688), (760, 162491), (835, 147896), (973, 126920), (1064, 116065), (1112, 111055), (1169, 105640), (1330, 92852), (1336, 92435), (1390, 88844), (1670, 73948), (1946, 63460), (2338, 52820), (2641, 46760), (2660, 46426), (2780, 44422), (3173, 38920), (3340, 36974), (3892, 31730), (4676, 26410), (4865, 25384), (5282, 23380), (5320, 23213), (5560, 22211), (5845, 21128), (6346, 19460), (6680, 18487), (7784, 15865), (9352, 13205), (9730, 12692), (10564, 11690)]