407882280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261463}}^1$

素因数の和:261490

約数の個数: 64

約数和(自身を含む): 1317778560

約数和(自身を除く): 909896280

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, 261463, 522926, 784389, 1045852, 1307315, 1568778, 2091704, 2614630, 3137556, 3399019, 3921945, 5229260, 6275112, 6798038, 7843890, 10197057, 10458520, 13596076, 15687780, 16995095, 20394114, 27192152, 31375560, 33990190, 40788228, 50985285, 67980380, 81576456, 101970570, 135960760, 203941140, 407882280]

約数ペア:

[(1, 407882280), (2, 203941140), (3, 135960760), (4, 101970570), (5, 81576456), (6, 67980380), (8, 50985285), (10, 40788228), (12, 33990190), (13, 31375560), (15, 27192152), (20, 20394114), (24, 16995095), (26, 15687780), (30, 13596076), (39, 10458520), (40, 10197057), (52, 7843890), (60, 6798038), (65, 6275112), (78, 5229260), (104, 3921945), (120, 3399019), (130, 3137556), (156, 2614630), (195, 2091704), (260, 1568778), (312, 1307315), (390, 1045852), (520, 784389), (780, 522926), (1560, 261463)]