745271520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{221807}}^1$

素因数の和:221832

約数の個数: 96

約数和(自身を含む): 2682989568

約数和(自身を除く): 1937718048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 221807, 443614, 665421, 887228, 1109035, 1330842, 1552649, 1774456, 2218070, 2661684, 3105298, 3327105, 3548912, 4436140, 4657947, 5323368, 6210596, 6654210, 7097824, 7763245, 8872280, 9315894, 10646736, 12421192, 13308420, 15526490, 17744560, 18631788, 21293472, 23289735, 24842384, 26616840, 31052980, 35489120, 37263576, 46579470, 49684768, 53233680, 62105960, 74527152, 93158940, 106467360, 124211920, 149054304, 186317880, 248423840, 372635760, 745271520]

約数ペア:

[(1, 745271520), (2, 372635760), (3, 248423840), (4, 186317880), (5, 149054304), (6, 124211920), (7, 106467360), (8, 93158940), (10, 74527152), (12, 62105960), (14, 53233680), (15, 49684768), (16, 46579470), (20, 37263576), (21, 35489120), (24, 31052980), (28, 26616840), (30, 24842384), (32, 23289735), (35, 21293472), (40, 18631788), (42, 17744560), (48, 15526490), (56, 13308420), (60, 12421192), (70, 10646736), (80, 9315894), (84, 8872280), (96, 7763245), (105, 7097824), (112, 6654210), (120, 6210596), (140, 5323368), (160, 4657947), (168, 4436140), (210, 3548912), (224, 3327105), (240, 3105298), (280, 2661684), (336, 2218070), (420, 1774456), (480, 1552649), (560, 1330842), (672, 1109035), (840, 887228), (1120, 665421), (1680, 443614), (3360, 221807)]