30451720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 74455920

約数和(自身を除く): 44004200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 373, 520, 628, 746, 785, 1256, 1492, 1570, 1865, 2041, 2984, 3140, 3730, 4082, 4849, 6280, 7460, 8164, 9698, 10205, 14920, 16328, 19396, 20410, 24245, 38792, 40820, 48490, 58561, 81640, 96980, 117122, 193960, 234244, 292805, 468488, 585610, 761293, 1171220, 1522586, 2342440, 3045172, 3806465, 6090344, 7612930, 15225860, 30451720]

約数ペア:

[(1, 30451720), (2, 15225860), (4, 7612930), (5, 6090344), (8, 3806465), (10, 3045172), (13, 2342440), (20, 1522586), (26, 1171220), (40, 761293), (52, 585610), (65, 468488), (104, 292805), (130, 234244), (157, 193960), (260, 117122), (314, 96980), (373, 81640), (520, 58561), (628, 48490), (746, 40820), (785, 38792), (1256, 24245), (1492, 20410), (1570, 19396), (1865, 16328), (2041, 14920), (2984, 10205), (3140, 9698), (3730, 8164), (4082, 7460), (4849, 6280)]