2774280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 8481600

約数和(自身を除く): 5707320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 379, 488, 610, 732, 758, 915, 1137, 1220, 1464, 1516, 1830, 1895, 2274, 2440, 3032, 3660, 3790, 4548, 5685, 7320, 7580, 9096, 11370, 15160, 22740, 23119, 45480, 46238, 69357, 92476, 115595, 138714, 184952, 231190, 277428, 346785, 462380, 554856, 693570, 924760, 1387140, 2774280]

約数ペア:

[(1, 2774280), (2, 1387140), (3, 924760), (4, 693570), (5, 554856), (6, 462380), (8, 346785), (10, 277428), (12, 231190), (15, 184952), (20, 138714), (24, 115595), (30, 92476), (40, 69357), (60, 46238), (61, 45480), (120, 23119), (122, 22740), (183, 15160), (244, 11370), (305, 9096), (366, 7580), (379, 7320), (488, 5685), (610, 4548), (732, 3790), (758, 3660), (915, 3032), (1137, 2440), (1220, 2274), (1464, 1895), (1516, 1830)]