1997472360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1280431}}^1$

素因数の和:1280458

約数の個数: 64

約数和(自身を含む): 6453377280

約数和(自身を除く): 4455904920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1280431, 2560862, 3841293, 5121724, 6402155, 7682586, 10243448, 12804310, 15365172, 16645603, 19206465, 25608620, 30730344, 33291206, 38412930, 49936809, 51217240, 66582412, 76825860, 83228015, 99873618, 133164824, 153651720, 166456030, 199747236, 249684045, 332912060, 399494472, 499368090, 665824120, 998736180, 1997472360]

約数ペア:

[(1, 1997472360), (2, 998736180), (3, 665824120), (4, 499368090), (5, 399494472), (6, 332912060), (8, 249684045), (10, 199747236), (12, 166456030), (13, 153651720), (15, 133164824), (20, 99873618), (24, 83228015), (26, 76825860), (30, 66582412), (39, 51217240), (40, 49936809), (52, 38412930), (60, 33291206), (65, 30730344), (78, 25608620), (104, 19206465), (120, 16645603), (130, 15365172), (156, 12804310), (195, 10243448), (260, 7682586), (312, 6402155), (390, 5121724), (520, 3841293), (780, 2560862), (1560, 1280431)]