406924440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{260849}}^1$

素因数の和:260876

約数の個数: 64

約数和(自身を含む): 1314684000

約数和(自身を除く): 907759560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 260849, 521698, 782547, 1043396, 1304245, 1565094, 2086792, 2608490, 3130188, 3391037, 3912735, 5216980, 6260376, 6782074, 7825470, 10173111, 10433960, 13564148, 15650940, 16955185, 20346222, 27128296, 31301880, 33910370, 40692444, 50865555, 67820740, 81384888, 101731110, 135641480, 203462220, 406924440]

約数ペア:

[(1, 406924440), (2, 203462220), (3, 135641480), (4, 101731110), (5, 81384888), (6, 67820740), (8, 50865555), (10, 40692444), (12, 33910370), (13, 31301880), (15, 27128296), (20, 20346222), (24, 16955185), (26, 15650940), (30, 13564148), (39, 10433960), (40, 10173111), (52, 7825470), (60, 6782074), (65, 6260376), (78, 5216980), (104, 3912735), (120, 3391037), (130, 3130188), (156, 2608490), (195, 2086792), (260, 1565094), (312, 1304245), (390, 1043396), (520, 782547), (780, 521698), (1560, 260849)]