288513280

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 779401728

約数和(自身を除く): 490888448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 496, 620, 640, 661, 682, 704, 880, 992, 1240, 1280, 1322, 1364, 1408, 1705, 1760, 1984, 2480, 2644, 2728, 2816, 3305, 3410, 3520, 3968, 4960, 5288, 5456, 6610, 6820, 7040, 7271, 7936, 9920, 10576, 10912, 13220, 13640, 14080, 14542, 19840, 20491, 21152, 21824, 26440, 27280, 29084, 36355, 39680, 40982, 42304, 43648, 52880, 54560, 58168, 72710, 81964, 84608, 87296, 102455, 105760, 109120, 116336, 145420, 163928, 169216, 204910, 211520, 218240, 225401, 232672, 290840, 327856, 409820, 423040, 436480, 450802, 465344, 581680, 655712, 819640, 846080, 901604, 930688, 1127005, 1163360, 1311424, 1639280, 1803208, 1861376, 2254010, 2326720, 2622848, 3278560, 3606416, 4508020, 4653440, 5245696, 6557120, 7212832, 9016040, 9306880, 13114240, 14425664, 18032080, 26228480, 28851328, 36064160, 57702656, 72128320, 144256640, 288513280]

約数ペア:

[(1, 288513280), (2, 144256640), (4, 72128320), (5, 57702656), (8, 36064160), (10, 28851328), (11, 26228480), (16, 18032080), (20, 14425664), (22, 13114240), (31, 9306880), (32, 9016040), (40, 7212832), (44, 6557120), (55, 5245696), (62, 4653440), (64, 4508020), (80, 3606416), (88, 3278560), (110, 2622848), (124, 2326720), (128, 2254010), (155, 1861376), (160, 1803208), (176, 1639280), (220, 1311424), (248, 1163360), (256, 1127005), (310, 930688), (320, 901604), (341, 846080), (352, 819640), (440, 655712), (496, 581680), (620, 465344), (640, 450802), (661, 436480), (682, 423040), (704, 409820), (880, 327856), (992, 290840), (1240, 232672), (1280, 225401), (1322, 218240), (1364, 211520), (1408, 204910), (1705, 169216), (1760, 163928), (1984, 145420), (2480, 116336), (2644, 109120), (2728, 105760), (2816, 102455), (3305, 87296), (3410, 84608), (3520, 81964), (3968, 72710), (4960, 58168), (5288, 54560), (5456, 52880), (6610, 43648), (6820, 42304), (7040, 40982), (7271, 39680), (7936, 36355), (9920, 29084), (10576, 27280), (10912, 26440), (13220, 21824), (13640, 21152), (14080, 20491), (14542, 19840)]