320808510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 929925360

約数和(自身を除く): 609116850

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 89, 90, 99, 110, 121, 165, 178, 198, 242, 267, 330, 331, 363, 445, 495, 534, 605, 662, 726, 801, 890, 979, 990, 993, 1089, 1210, 1335, 1602, 1655, 1815, 1958, 1986, 2178, 2670, 2937, 2979, 3310, 3630, 3641, 4005, 4895, 4965, 5445, 5874, 5958, 7282, 8010, 8811, 9790, 9930, 10769, 10890, 10923, 14685, 14895, 17622, 18205, 21538, 21846, 29370, 29459, 29790, 32307, 32769, 36410, 40051, 44055, 53845, 54615, 58918, 64614, 65538, 80102, 88110, 88377, 96921, 107690, 109230, 120153, 147295, 161535, 163845, 176754, 193842, 200255, 240306, 265131, 294590, 323070, 324049, 327690, 360459, 400510, 441885, 484605, 530262, 600765, 648098, 720918, 883770, 969210, 972147, 1201530, 1325655, 1620245, 1802295, 1944294, 2651310, 2916441, 3240490, 3564539, 3604590, 4860735, 5832882, 7129078, 9721470, 10693617, 14582205, 17822695, 21387234, 29164410, 32080851, 35645390, 53468085, 64161702, 106936170, 160404255, 320808510]

約数ペア:

[(1, 320808510), (2, 160404255), (3, 106936170), (5, 64161702), (6, 53468085), (9, 35645390), (10, 32080851), (11, 29164410), (15, 21387234), (18, 17822695), (22, 14582205), (30, 10693617), (33, 9721470), (45, 7129078), (55, 5832882), (66, 4860735), (89, 3604590), (90, 3564539), (99, 3240490), (110, 2916441), (121, 2651310), (165, 1944294), (178, 1802295), (198, 1620245), (242, 1325655), (267, 1201530), (330, 972147), (331, 969210), (363, 883770), (445, 720918), (495, 648098), (534, 600765), (605, 530262), (662, 484605), (726, 441885), (801, 400510), (890, 360459), (979, 327690), (990, 324049), (993, 323070), (1089, 294590), (1210, 265131), (1335, 240306), (1602, 200255), (1655, 193842), (1815, 176754), (1958, 163845), (1986, 161535), (2178, 147295), (2670, 120153), (2937, 109230), (2979, 107690), (3310, 96921), (3630, 88377), (3641, 88110), (4005, 80102), (4895, 65538), (4965, 64614), (5445, 58918), (5874, 54615), (5958, 53845), (7282, 44055), (8010, 40051), (8811, 36410), (9790, 32769), (9930, 32307), (10769, 29790), (10890, 29459), (10923, 29370), (14685, 21846), (14895, 21538), (17622, 18205)]