64071800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1345

約数の個数: 96

約数和(自身を含む): 168999600

約数和(自身を除く): 104927800

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 475, 494, 520, 650, 760, 950, 988, 1235, 1297, 1300, 1900, 1976, 2470, 2594, 2600, 3800, 4940, 5188, 6175, 6485, 9880, 10376, 12350, 12970, 16861, 24643, 24700, 25940, 32425, 33722, 49286, 49400, 51880, 64850, 67444, 84305, 98572, 123215, 129700, 134888, 168610, 197144, 246430, 259400, 320359, 337220, 421525, 492860, 616075, 640718, 674440, 843050, 985720, 1232150, 1281436, 1601795, 1686100, 2464300, 2562872, 3203590, 3372200, 4928600, 6407180, 8008975, 12814360, 16017950, 32035900, 64071800]

約数ペア:

[(1, 64071800), (2, 32035900), (4, 16017950), (5, 12814360), (8, 8008975), (10, 6407180), (13, 4928600), (19, 3372200), (20, 3203590), (25, 2562872), (26, 2464300), (38, 1686100), (40, 1601795), (50, 1281436), (52, 1232150), (65, 985720), (76, 843050), (95, 674440), (100, 640718), (104, 616075), (130, 492860), (152, 421525), (190, 337220), (200, 320359), (247, 259400), (260, 246430), (325, 197144), (380, 168610), (475, 134888), (494, 129700), (520, 123215), (650, 98572), (760, 84305), (950, 67444), (988, 64850), (1235, 51880), (1297, 49400), (1300, 49286), (1900, 33722), (1976, 32425), (2470, 25940), (2594, 24700), (2600, 24643), (3800, 16861), (4940, 12970), (5188, 12350), (6175, 10376), (6485, 9880)]