66495780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 219810864

約数和(自身を除く): 153315084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 157, 180, 181, 195, 234, 260, 314, 362, 390, 468, 471, 543, 585, 628, 724, 780, 785, 905, 942, 1086, 1170, 1413, 1570, 1629, 1810, 1884, 2041, 2172, 2340, 2353, 2355, 2715, 2826, 3140, 3258, 3620, 4082, 4706, 4710, 5430, 5652, 6123, 6516, 7059, 7065, 8145, 8164, 9412, 9420, 10205, 10860, 11765, 12246, 14118, 14130, 16290, 18369, 20410, 21177, 23530, 24492, 28236, 28260, 28417, 30615, 32580, 35295, 36738, 40820, 42354, 47060, 56834, 61230, 70590, 73476, 84708, 85251, 91845, 105885, 113668, 122460, 141180, 142085, 170502, 183690, 211770, 255753, 284170, 341004, 367380, 369421, 423540, 426255, 511506, 568340, 738842, 852510, 1023012, 1108263, 1278765, 1477684, 1705020, 1847105, 2216526, 2557530, 3324789, 3694210, 4433052, 5115060, 5541315, 6649578, 7388420, 11082630, 13299156, 16623945, 22165260, 33247890, 66495780]

約数ペア:

[(1, 66495780), (2, 33247890), (3, 22165260), (4, 16623945), (5, 13299156), (6, 11082630), (9, 7388420), (10, 6649578), (12, 5541315), (13, 5115060), (15, 4433052), (18, 3694210), (20, 3324789), (26, 2557530), (30, 2216526), (36, 1847105), (39, 1705020), (45, 1477684), (52, 1278765), (60, 1108263), (65, 1023012), (78, 852510), (90, 738842), (117, 568340), (130, 511506), (156, 426255), (157, 423540), (180, 369421), (181, 367380), (195, 341004), (234, 284170), (260, 255753), (314, 211770), (362, 183690), (390, 170502), (468, 142085), (471, 141180), (543, 122460), (585, 113668), (628, 105885), (724, 91845), (780, 85251), (785, 84708), (905, 73476), (942, 70590), (1086, 61230), (1170, 56834), (1413, 47060), (1570, 42354), (1629, 40820), (1810, 36738), (1884, 35295), (2041, 32580), (2172, 30615), (2340, 28417), (2353, 28260), (2355, 28236), (2715, 24492), (2826, 23530), (3140, 21177), (3258, 20410), (3620, 18369), (4082, 16290), (4706, 14130), (4710, 14118), (5430, 12246), (5652, 11765), (6123, 10860), (6516, 10205), (7059, 9420), (7065, 9412), (8145, 8164)]