81431190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 233435520

約数和(自身を除く): 152004330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 113, 135, 153, 157, 170, 226, 255, 270, 306, 314, 339, 459, 471, 510, 565, 678, 765, 785, 918, 942, 1017, 1130, 1413, 1530, 1570, 1695, 1921, 2034, 2295, 2355, 2669, 2826, 3051, 3390, 3842, 4239, 4590, 4710, 5085, 5338, 5763, 6102, 7065, 8007, 8478, 9605, 10170, 11526, 13345, 14130, 15255, 16014, 17289, 17741, 19210, 21195, 24021, 26690, 28815, 30510, 34578, 35482, 40035, 42390, 48042, 51867, 53223, 57630, 72063, 80070, 86445, 88705, 103734, 106446, 120105, 144126, 159669, 172890, 177410, 240210, 259335, 266115, 301597, 319338, 360315, 479007, 518670, 532230, 603194, 720630, 798345, 904791, 958014, 1507985, 1596690, 1809582, 2395035, 2714373, 3015970, 4523955, 4790070, 5428746, 8143119, 9047910, 13571865, 16286238, 27143730, 40715595, 81431190]

約数ペア:

[(1, 81431190), (2, 40715595), (3, 27143730), (5, 16286238), (6, 13571865), (9, 9047910), (10, 8143119), (15, 5428746), (17, 4790070), (18, 4523955), (27, 3015970), (30, 2714373), (34, 2395035), (45, 1809582), (51, 1596690), (54, 1507985), (85, 958014), (90, 904791), (102, 798345), (113, 720630), (135, 603194), (153, 532230), (157, 518670), (170, 479007), (226, 360315), (255, 319338), (270, 301597), (306, 266115), (314, 259335), (339, 240210), (459, 177410), (471, 172890), (510, 159669), (565, 144126), (678, 120105), (765, 106446), (785, 103734), (918, 88705), (942, 86445), (1017, 80070), (1130, 72063), (1413, 57630), (1530, 53223), (1570, 51867), (1695, 48042), (1921, 42390), (2034, 40035), (2295, 35482), (2355, 34578), (2669, 30510), (2826, 28815), (3051, 26690), (3390, 24021), (3842, 21195), (4239, 19210), (4590, 17741), (4710, 17289), (5085, 16014), (5338, 15255), (5763, 14130), (6102, 13345), (7065, 11526), (8007, 10170), (8478, 9605)]