240054520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2659}}^1$

素因数の和:2768

約数の個数: 64

約数和(自身を含む): 564026400

約数和(自身を除く): 323971880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 1220, 1480, 2257, 2440, 2659, 4514, 5318, 9028, 10636, 11285, 13295, 18056, 21272, 22570, 26590, 45140, 53180, 90280, 98383, 106360, 162199, 196766, 324398, 393532, 491915, 648796, 787064, 810995, 983830, 1297592, 1621990, 1967660, 3243980, 3935320, 6001363, 6487960, 12002726, 24005452, 30006815, 48010904, 60013630, 120027260, 240054520]

約数ペア:

[(1, 240054520), (2, 120027260), (4, 60013630), (5, 48010904), (8, 30006815), (10, 24005452), (20, 12002726), (37, 6487960), (40, 6001363), (61, 3935320), (74, 3243980), (122, 1967660), (148, 1621990), (185, 1297592), (244, 983830), (296, 810995), (305, 787064), (370, 648796), (488, 491915), (610, 393532), (740, 324398), (1220, 196766), (1480, 162199), (2257, 106360), (2440, 98383), (2659, 90280), (4514, 53180), (5318, 45140), (9028, 26590), (10636, 22570), (11285, 21272), (13295, 18056)]