247246740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:858

約数の個数: 144

約数和(自身を含む): 814024848

約数和(自身を除く): 566778108

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, 195, 234, 260, 314, 390, 468, 471, 585, 628, 673, 780, 785, 942, 1170, 1346, 1413, 1570, 1884, 2019, 2041, 2340, 2355, 2692, 2826, 3140, 3365, 4038, 4082, 4710, 5652, 6057, 6123, 6730, 7065, 8076, 8164, 8749, 9420, 10095, 10205, 12114, 12246, 13460, 14130, 17498, 18369, 20190, 20410, 24228, 24492, 26247, 28260, 30285, 30615, 34996, 36738, 40380, 40820, 43745, 52494, 60570, 61230, 73476, 78741, 87490, 91845, 104988, 105661, 121140, 122460, 131235, 157482, 174980, 183690, 211322, 262470, 314964, 316983, 367380, 393705, 422644, 524940, 528305, 633966, 787410, 950949, 1056610, 1267932, 1373593, 1574820, 1584915, 1901898, 2113220, 2747186, 3169830, 3803796, 4120779, 4754745, 5494372, 6339660, 6867965, 8241558, 9509490, 12362337, 13735930, 16483116, 19018980, 20603895, 24724674, 27471860, 41207790, 49449348, 61811685, 82415580, 123623370, 247246740]

約数ペア:

[(1, 247246740), (2, 123623370), (3, 82415580), (4, 61811685), (5, 49449348), (6, 41207790), (9, 27471860), (10, 24724674), (12, 20603895), (13, 19018980), (15, 16483116), (18, 13735930), (20, 12362337), (26, 9509490), (30, 8241558), (36, 6867965), (39, 6339660), (45, 5494372), (52, 4754745), (60, 4120779), (65, 3803796), (78, 3169830), (90, 2747186), (117, 2113220), (130, 1901898), (156, 1584915), (157, 1574820), (180, 1373593), (195, 1267932), (234, 1056610), (260, 950949), (314, 787410), (390, 633966), (468, 528305), (471, 524940), (585, 422644), (628, 393705), (673, 367380), (780, 316983), (785, 314964), (942, 262470), (1170, 211322), (1346, 183690), (1413, 174980), (1570, 157482), (1884, 131235), (2019, 122460), (2041, 121140), (2340, 105661), (2355, 104988), (2692, 91845), (2826, 87490), (3140, 78741), (3365, 73476), (4038, 61230), (4082, 60570), (4710, 52494), (5652, 43745), (6057, 40820), (6123, 40380), (6730, 36738), (7065, 34996), (8076, 30615), (8164, 30285), (8749, 28260), (9420, 26247), (10095, 24492), (10205, 24228), (12114, 20410), (12246, 20190), (13460, 18369), (14130, 17498)]