27805960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7670

約数の個数: 64

約数和(自身を含む): 77011200

約数和(自身を除く): 49205240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7639, 15278, 30556, 38195, 53473, 61112, 76390, 99307, 106946, 152780, 198614, 213892, 267365, 305560, 397228, 427784, 496535, 534730, 695149, 794456, 993070, 1069460, 1390298, 1986140, 2138920, 2780596, 3475745, 3972280, 5561192, 6951490, 13902980, 27805960]

約数ペア:

[(1, 27805960), (2, 13902980), (4, 6951490), (5, 5561192), (7, 3972280), (8, 3475745), (10, 2780596), (13, 2138920), (14, 1986140), (20, 1390298), (26, 1069460), (28, 993070), (35, 794456), (40, 695149), (52, 534730), (56, 496535), (65, 427784), (70, 397228), (91, 305560), (104, 267365), (130, 213892), (140, 198614), (182, 152780), (260, 106946), (280, 99307), (364, 76390), (455, 61112), (520, 53473), (728, 38195), (910, 30556), (1820, 15278), (3640, 7639)]