80666340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1399}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 233553600

約数和(自身を除く): 152887260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 961, 1399, 1860, 1922, 2798, 2883, 3844, 4197, 4805, 5596, 5766, 6995, 8394, 9610, 11532, 13990, 14415, 16788, 19220, 20985, 27980, 28830, 41970, 43369, 57660, 83940, 86738, 130107, 173476, 216845, 260214, 433690, 520428, 650535, 867380, 1301070, 1344439, 2602140, 2688878, 4033317, 5377756, 6722195, 8066634, 13444390, 16133268, 20166585, 26888780, 40333170, 80666340]

約数ペア:

[(1, 80666340), (2, 40333170), (3, 26888780), (4, 20166585), (5, 16133268), (6, 13444390), (10, 8066634), (12, 6722195), (15, 5377756), (20, 4033317), (30, 2688878), (31, 2602140), (60, 1344439), (62, 1301070), (93, 867380), (124, 650535), (155, 520428), (186, 433690), (310, 260214), (372, 216845), (465, 173476), (620, 130107), (930, 86738), (961, 83940), (1399, 57660), (1860, 43369), (1922, 41970), (2798, 28830), (2883, 27980), (3844, 20985), (4197, 19220), (4805, 16788), (5596, 14415), (5766, 13990), (6995, 11532), (8394, 9610)]