1520223440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{27031}}^1$

素因数の和:27100

約数の個数: 80

約数和(自身を含む): 3821243520

約数和(自身を除く): 2301020080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2960, 3515, 5624, 7030, 11248, 14060, 27031, 28120, 54062, 56240, 108124, 135155, 216248, 270310, 432496, 513589, 540620, 1000147, 1027178, 1081240, 2000294, 2054356, 2162480, 2567945, 4000588, 4108712, 5000735, 5135890, 8001176, 8217424, 10001470, 10271780, 16002352, 19002793, 20002940, 20543560, 38005586, 40005880, 41087120, 76011172, 80011760, 95013965, 152022344, 190027930, 304044688, 380055860, 760111720, 1520223440]

約数ペア:

[(1, 1520223440), (2, 760111720), (4, 380055860), (5, 304044688), (8, 190027930), (10, 152022344), (16, 95013965), (19, 80011760), (20, 76011172), (37, 41087120), (38, 40005880), (40, 38005586), (74, 20543560), (76, 20002940), (80, 19002793), (95, 16002352), (148, 10271780), (152, 10001470), (185, 8217424), (190, 8001176), (296, 5135890), (304, 5000735), (370, 4108712), (380, 4000588), (592, 2567945), (703, 2162480), (740, 2054356), (760, 2000294), (1406, 1081240), (1480, 1027178), (1520, 1000147), (2812, 540620), (2960, 513589), (3515, 432496), (5624, 270310), (7030, 216248), (11248, 135155), (14060, 108124), (27031, 56240), (28120, 54062)]