1284865320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{557}}^1$

素因数の和:1027

約数の個数: 128

約数和(自身を含む): 3953318400

約数和(自身を除く): 2668453080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 409, 470, 557, 564, 705, 818, 940, 1114, 1128, 1227, 1410, 1636, 1671, 1880, 2045, 2228, 2454, 2785, 2820, 3272, 3342, 4090, 4456, 4908, 5570, 5640, 6135, 6684, 8180, 8355, 9816, 11140, 12270, 13368, 16360, 16710, 19223, 22280, 24540, 26179, 33420, 38446, 49080, 52358, 57669, 66840, 76892, 78537, 96115, 104716, 115338, 130895, 153784, 157074, 192230, 209432, 227813, 230676, 261790, 288345, 314148, 384460, 392685, 455626, 461352, 523580, 576690, 628296, 683439, 768920, 785370, 911252, 1047160, 1139065, 1153380, 1366878, 1570740, 1822504, 2278130, 2306760, 2733756, 3141480, 3417195, 4556260, 5467512, 6834390, 9112520, 10707211, 13668780, 21414422, 27337560, 32121633, 42828844, 53536055, 64243266, 85657688, 107072110, 128486532, 160608165, 214144220, 256973064, 321216330, 428288440, 642432660, 1284865320]

約数ペア:

[(1, 1284865320), (2, 642432660), (3, 428288440), (4, 321216330), (5, 256973064), (6, 214144220), (8, 160608165), (10, 128486532), (12, 107072110), (15, 85657688), (20, 64243266), (24, 53536055), (30, 42828844), (40, 32121633), (47, 27337560), (60, 21414422), (94, 13668780), (120, 10707211), (141, 9112520), (188, 6834390), (235, 5467512), (282, 4556260), (376, 3417195), (409, 3141480), (470, 2733756), (557, 2306760), (564, 2278130), (705, 1822504), (818, 1570740), (940, 1366878), (1114, 1153380), (1128, 1139065), (1227, 1047160), (1410, 911252), (1636, 785370), (1671, 768920), (1880, 683439), (2045, 628296), (2228, 576690), (2454, 523580), (2785, 461352), (2820, 455626), (3272, 392685), (3342, 384460), (4090, 314148), (4456, 288345), (4908, 261790), (5570, 230676), (5640, 227813), (6135, 209432), (6684, 192230), (8180, 157074), (8355, 153784), (9816, 130895), (11140, 115338), (12270, 104716), (13368, 96115), (16360, 78537), (16710, 76892), (19223, 66840), (22280, 57669), (24540, 52358), (26179, 49080), (33420, 38446)]