1640139720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{3307}}^1\times {\mathrm{4133}}^1$

素因数の和:7454

約数の個数: 64

約数和(自身を含む): 4923097920

約数和(自身を除く): 3282958200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3307, 4133, 6614, 8266, 9921, 12399, 13228, 16532, 16535, 19842, 20665, 24798, 26456, 33064, 33070, 39684, 41330, 49596, 49605, 61995, 66140, 79368, 82660, 99192, 99210, 123990, 132280, 165320, 198420, 247980, 396840, 495960, 13667831, 27335662, 41003493, 54671324, 68339155, 82006986, 109342648, 136678310, 164013972, 205017465, 273356620, 328027944, 410034930, 546713240, 820069860, 1640139720]

約数ペア:

[(1, 1640139720), (2, 820069860), (3, 546713240), (4, 410034930), (5, 328027944), (6, 273356620), (8, 205017465), (10, 164013972), (12, 136678310), (15, 109342648), (20, 82006986), (24, 68339155), (30, 54671324), (40, 41003493), (60, 27335662), (120, 13667831), (3307, 495960), (4133, 396840), (6614, 247980), (8266, 198420), (9921, 165320), (12399, 132280), (13228, 123990), (16532, 99210), (16535, 99192), (19842, 82660), (20665, 79368), (24798, 66140), (26456, 61995), (33064, 49605), (33070, 49596), (39684, 41330)]