123955520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 112

約数和(自身を含む): 322600320

約数和(自身を除く): 198644800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 130, 160, 166, 208, 260, 320, 332, 359, 415, 416, 520, 664, 718, 830, 832, 1040, 1079, 1328, 1436, 1660, 1795, 2080, 2158, 2656, 2872, 3320, 3590, 4160, 4316, 4667, 5312, 5395, 5744, 6640, 7180, 8632, 9334, 10790, 11488, 13280, 14360, 17264, 18668, 21580, 22976, 23335, 26560, 28720, 29797, 34528, 37336, 43160, 46670, 57440, 59594, 69056, 74672, 86320, 93340, 114880, 119188, 148985, 149344, 172640, 186680, 238376, 297970, 298688, 345280, 373360, 387361, 476752, 595940, 746720, 774722, 953504, 1191880, 1493440, 1549444, 1907008, 1936805, 2383760, 3098888, 3873610, 4767520, 6197776, 7747220, 9535040, 12395552, 15494440, 24791104, 30988880, 61977760, 123955520]

約数ペア:

[(1, 123955520), (2, 61977760), (4, 30988880), (5, 24791104), (8, 15494440), (10, 12395552), (13, 9535040), (16, 7747220), (20, 6197776), (26, 4767520), (32, 3873610), (40, 3098888), (52, 2383760), (64, 1936805), (65, 1907008), (80, 1549444), (83, 1493440), (104, 1191880), (130, 953504), (160, 774722), (166, 746720), (208, 595940), (260, 476752), (320, 387361), (332, 373360), (359, 345280), (415, 298688), (416, 297970), (520, 238376), (664, 186680), (718, 172640), (830, 149344), (832, 148985), (1040, 119188), (1079, 114880), (1328, 93340), (1436, 86320), (1660, 74672), (1795, 69056), (2080, 59594), (2158, 57440), (2656, 46670), (2872, 43160), (3320, 37336), (3590, 34528), (4160, 29797), (4316, 28720), (4667, 26560), (5312, 23335), (5395, 22976), (5744, 21580), (6640, 18668), (7180, 17264), (8632, 14360), (9334, 13280), (10790, 11488)]