123687928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 304819200

約数和(自身を除く): 181131272

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 83, 89, 91, 92, 104, 161, 166, 178, 182, 184, 299, 322, 332, 356, 364, 581, 598, 623, 644, 664, 712, 728, 1079, 1157, 1162, 1196, 1246, 1288, 1909, 2047, 2093, 2158, 2314, 2324, 2392, 2492, 3818, 4094, 4186, 4316, 4628, 4648, 4984, 7387, 7553, 7636, 8099, 8188, 8372, 8632, 9256, 13363, 14329, 14774, 15106, 15272, 16198, 16376, 16744, 24817, 26611, 26726, 28658, 29548, 30212, 32396, 49634, 51709, 53222, 53452, 57316, 59096, 60424, 64792, 96031, 99268, 103418, 106444, 106904, 114632, 169901, 173719, 186277, 192062, 198536, 206836, 212888, 339802, 347438, 372554, 384124, 413672, 672217, 679604, 694876, 745108, 768248, 1189307, 1344434, 1359208, 1389752, 1490216, 2208713, 2378614, 2688868, 4417426, 4757228, 5377736, 8834852, 9514456, 15460991, 17669704, 30921982, 61843964, 123687928]

約数ペア:

[(1, 123687928), (2, 61843964), (4, 30921982), (7, 17669704), (8, 15460991), (13, 9514456), (14, 8834852), (23, 5377736), (26, 4757228), (28, 4417426), (46, 2688868), (52, 2378614), (56, 2208713), (83, 1490216), (89, 1389752), (91, 1359208), (92, 1344434), (104, 1189307), (161, 768248), (166, 745108), (178, 694876), (182, 679604), (184, 672217), (299, 413672), (322, 384124), (332, 372554), (356, 347438), (364, 339802), (581, 212888), (598, 206836), (623, 198536), (644, 192062), (664, 186277), (712, 173719), (728, 169901), (1079, 114632), (1157, 106904), (1162, 106444), (1196, 103418), (1246, 99268), (1288, 96031), (1909, 64792), (2047, 60424), (2093, 59096), (2158, 57316), (2314, 53452), (2324, 53222), (2392, 51709), (2492, 49634), (3818, 32396), (4094, 30212), (4186, 29548), (4316, 28658), (4628, 26726), (4648, 26611), (4984, 24817), (7387, 16744), (7553, 16376), (7636, 16198), (8099, 15272), (8188, 15106), (8372, 14774), (8632, 14329), (9256, 13363)]