64704520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1327}}^1$

素因数の和:1414

約数の個数: 64

約数和(自身を含む): 154897920

約数和(自身を除く): 90193400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 920, 1060, 1219, 1327, 2120, 2438, 2654, 4876, 5308, 6095, 6635, 9752, 10616, 12190, 13270, 24380, 26540, 30521, 48760, 53080, 61042, 70331, 122084, 140662, 152605, 244168, 281324, 305210, 351655, 562648, 610420, 703310, 1220840, 1406620, 1617613, 2813240, 3235226, 6470452, 8088065, 12940904, 16176130, 32352260, 64704520]

約数ペア:

[(1, 64704520), (2, 32352260), (4, 16176130), (5, 12940904), (8, 8088065), (10, 6470452), (20, 3235226), (23, 2813240), (40, 1617613), (46, 1406620), (53, 1220840), (92, 703310), (106, 610420), (115, 562648), (184, 351655), (212, 305210), (230, 281324), (265, 244168), (424, 152605), (460, 140662), (530, 122084), (920, 70331), (1060, 61042), (1219, 53080), (1327, 48760), (2120, 30521), (2438, 26540), (2654, 24380), (4876, 13270), (5308, 12190), (6095, 10616), (6635, 9752)]