64535880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{839}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 194140800

約数和(自身を除く): 129604920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 839, 1282, 1678, 1923, 2517, 2564, 3205, 3356, 3846, 4195, 5034, 5128, 6410, 6712, 7692, 8390, 9615, 10068, 12585, 12820, 15384, 16780, 19230, 20136, 25170, 25640, 33560, 38460, 50340, 76920, 100680, 537799, 1075598, 1613397, 2151196, 2688995, 3226794, 4302392, 5377990, 6453588, 8066985, 10755980, 12907176, 16133970, 21511960, 32267940, 64535880]

約数ペア:

[(1, 64535880), (2, 32267940), (3, 21511960), (4, 16133970), (5, 12907176), (6, 10755980), (8, 8066985), (10, 6453588), (12, 5377990), (15, 4302392), (20, 3226794), (24, 2688995), (30, 2151196), (40, 1613397), (60, 1075598), (120, 537799), (641, 100680), (839, 76920), (1282, 50340), (1678, 38460), (1923, 33560), (2517, 25640), (2564, 25170), (3205, 20136), (3356, 19230), (3846, 16780), (4195, 15384), (5034, 12820), (5128, 12585), (6410, 10068), (6712, 9615), (7692, 8390)]