1257400440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{22247}}^1$

素因数の和:22421

約数の個数: 96

約数和(自身を含む): 4112765280

約数和(自身を除く): 2855364840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 471, 628, 785, 942, 1256, 1413, 1570, 1884, 2355, 2826, 3140, 3768, 4710, 5652, 6280, 7065, 9420, 11304, 14130, 18840, 22247, 28260, 44494, 56520, 66741, 88988, 111235, 133482, 177976, 200223, 222470, 266964, 333705, 400446, 444940, 533928, 667410, 800892, 889880, 1001115, 1334820, 1601784, 2002230, 2669640, 3492779, 4004460, 6985558, 8008920, 10478337, 13971116, 17463895, 20956674, 27942232, 31435011, 34927790, 41913348, 52391685, 62870022, 69855580, 83826696, 104783370, 125740044, 139711160, 157175055, 209566740, 251480088, 314350110, 419133480, 628700220, 1257400440]

約数ペア:

[(1, 1257400440), (2, 628700220), (3, 419133480), (4, 314350110), (5, 251480088), (6, 209566740), (8, 157175055), (9, 139711160), (10, 125740044), (12, 104783370), (15, 83826696), (18, 69855580), (20, 62870022), (24, 52391685), (30, 41913348), (36, 34927790), (40, 31435011), (45, 27942232), (60, 20956674), (72, 17463895), (90, 13971116), (120, 10478337), (157, 8008920), (180, 6985558), (314, 4004460), (360, 3492779), (471, 2669640), (628, 2002230), (785, 1601784), (942, 1334820), (1256, 1001115), (1413, 889880), (1570, 800892), (1884, 667410), (2355, 533928), (2826, 444940), (3140, 400446), (3768, 333705), (4710, 266964), (5652, 222470), (6280, 200223), (7065, 177976), (9420, 133482), (11304, 111235), (14130, 88988), (18840, 66741), (22247, 56520), (28260, 44494)]