27388920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 89893440

約数和(自身を除く): 62504520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 97, 104, 120, 130, 156, 181, 194, 195, 260, 291, 312, 362, 388, 390, 485, 520, 543, 582, 724, 776, 780, 905, 970, 1086, 1164, 1261, 1448, 1455, 1560, 1810, 1940, 2172, 2328, 2353, 2522, 2715, 2910, 3620, 3783, 3880, 4344, 4706, 5044, 5430, 5820, 6305, 7059, 7240, 7566, 9412, 10088, 10860, 11640, 11765, 12610, 14118, 15132, 17557, 18824, 18915, 21720, 23530, 25220, 28236, 30264, 35114, 35295, 37830, 47060, 50440, 52671, 56472, 70228, 70590, 75660, 87785, 94120, 105342, 140456, 141180, 151320, 175570, 210684, 228241, 263355, 282360, 351140, 421368, 456482, 526710, 684723, 702280, 912964, 1053420, 1141205, 1369446, 1825928, 2106840, 2282410, 2738892, 3423615, 4564820, 5477784, 6847230, 9129640, 13694460, 27388920]

約数ペア:

[(1, 27388920), (2, 13694460), (3, 9129640), (4, 6847230), (5, 5477784), (6, 4564820), (8, 3423615), (10, 2738892), (12, 2282410), (13, 2106840), (15, 1825928), (20, 1369446), (24, 1141205), (26, 1053420), (30, 912964), (39, 702280), (40, 684723), (52, 526710), (60, 456482), (65, 421368), (78, 351140), (97, 282360), (104, 263355), (120, 228241), (130, 210684), (156, 175570), (181, 151320), (194, 141180), (195, 140456), (260, 105342), (291, 94120), (312, 87785), (362, 75660), (388, 70590), (390, 70228), (485, 56472), (520, 52671), (543, 50440), (582, 47060), (724, 37830), (776, 35295), (780, 35114), (905, 30264), (970, 28236), (1086, 25220), (1164, 23530), (1261, 21720), (1448, 18915), (1455, 18824), (1560, 17557), (1810, 15132), (1940, 14118), (2172, 12610), (2328, 11765), (2353, 11640), (2522, 10860), (2715, 10088), (2910, 9412), (3620, 7566), (3783, 7240), (3880, 7059), (4344, 6305), (4706, 5820), (5044, 5430)]