81806340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17707}}^1$

素因数の和:17737

約数の個数: 96

約数和(自身を含む): 285594624

約数和(自身を除く): 203788284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 17707, 35414, 53121, 70828, 88535, 106242, 123949, 177070, 194777, 212484, 247898, 265605, 354140, 371847, 389554, 495796, 531210, 584331, 619745, 743694, 779108, 973885, 1062420, 1168662, 1239490, 1363439, 1487388, 1859235, 1947770, 2337324, 2478980, 2726878, 2921655, 3718470, 3895540, 4090317, 5453756, 5843310, 6817195, 7436940, 8180634, 11686620, 13634390, 16361268, 20451585, 27268780, 40903170, 81806340]

約数ペア:

[(1, 81806340), (2, 40903170), (3, 27268780), (4, 20451585), (5, 16361268), (6, 13634390), (7, 11686620), (10, 8180634), (11, 7436940), (12, 6817195), (14, 5843310), (15, 5453756), (20, 4090317), (21, 3895540), (22, 3718470), (28, 2921655), (30, 2726878), (33, 2478980), (35, 2337324), (42, 1947770), (44, 1859235), (55, 1487388), (60, 1363439), (66, 1239490), (70, 1168662), (77, 1062420), (84, 973885), (105, 779108), (110, 743694), (132, 619745), (140, 584331), (154, 531210), (165, 495796), (210, 389554), (220, 371847), (231, 354140), (308, 265605), (330, 247898), (385, 212484), (420, 194777), (462, 177070), (660, 123949), (770, 106242), (924, 88535), (1155, 70828), (1540, 53121), (2310, 35414), (4620, 17707)]