74142270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 128

約数和(自身を含む): 216950400

約数和(自身を除く): 142808130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 29, 30, 34, 45, 51, 54, 58, 85, 87, 90, 102, 135, 145, 153, 170, 174, 255, 261, 270, 290, 306, 435, 459, 493, 510, 522, 557, 765, 783, 870, 918, 986, 1114, 1305, 1479, 1530, 1566, 1671, 2295, 2465, 2610, 2785, 2958, 3342, 3915, 4437, 4590, 4930, 5013, 5570, 7395, 7830, 8355, 8874, 9469, 10026, 13311, 14790, 15039, 16153, 16710, 18938, 22185, 25065, 26622, 28407, 30078, 32306, 44370, 47345, 48459, 50130, 56814, 66555, 75195, 80765, 85221, 94690, 96918, 133110, 142035, 145377, 150390, 161530, 170442, 242295, 255663, 274601, 284070, 290754, 426105, 436131, 484590, 511326, 549202, 726885, 823803, 852210, 872262, 1278315, 1373005, 1453770, 1647606, 2180655, 2471409, 2556630, 2746010, 4119015, 4361310, 4942818, 7414227, 8238030, 12357045, 14828454, 24714090, 37071135, 74142270]

約数ペア:

[(1, 74142270), (2, 37071135), (3, 24714090), (5, 14828454), (6, 12357045), (9, 8238030), (10, 7414227), (15, 4942818), (17, 4361310), (18, 4119015), (27, 2746010), (29, 2556630), (30, 2471409), (34, 2180655), (45, 1647606), (51, 1453770), (54, 1373005), (58, 1278315), (85, 872262), (87, 852210), (90, 823803), (102, 726885), (135, 549202), (145, 511326), (153, 484590), (170, 436131), (174, 426105), (255, 290754), (261, 284070), (270, 274601), (290, 255663), (306, 242295), (435, 170442), (459, 161530), (493, 150390), (510, 145377), (522, 142035), (557, 133110), (765, 96918), (783, 94690), (870, 85221), (918, 80765), (986, 75195), (1114, 66555), (1305, 56814), (1479, 50130), (1530, 48459), (1566, 47345), (1671, 44370), (2295, 32306), (2465, 30078), (2610, 28407), (2785, 26622), (2958, 25065), (3342, 22185), (3915, 18938), (4437, 16710), (4590, 16153), (4930, 15039), (5013, 14790), (5570, 13311), (7395, 10026), (7830, 9469), (8355, 8874)]