90160400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 244293888

約数和(自身を除く): 154133488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 176, 200, 220, 248, 275, 310, 341, 400, 440, 496, 550, 620, 661, 682, 775, 880, 1100, 1240, 1322, 1364, 1550, 1705, 2200, 2480, 2644, 2728, 3100, 3305, 3410, 4400, 5288, 5456, 6200, 6610, 6820, 7271, 8525, 10576, 12400, 13220, 13640, 14542, 16525, 17050, 20491, 26440, 27280, 29084, 33050, 34100, 36355, 40982, 52880, 58168, 66100, 68200, 72710, 81964, 102455, 116336, 132200, 136400, 145420, 163928, 181775, 204910, 225401, 264400, 290840, 327856, 363550, 409820, 450802, 512275, 581680, 727100, 819640, 901604, 1024550, 1127005, 1454200, 1639280, 1803208, 2049100, 2254010, 2908400, 3606416, 4098200, 4508020, 5635025, 8196400, 9016040, 11270050, 18032080, 22540100, 45080200, 90160400]

約数ペア:

[(1, 90160400), (2, 45080200), (4, 22540100), (5, 18032080), (8, 11270050), (10, 9016040), (11, 8196400), (16, 5635025), (20, 4508020), (22, 4098200), (25, 3606416), (31, 2908400), (40, 2254010), (44, 2049100), (50, 1803208), (55, 1639280), (62, 1454200), (80, 1127005), (88, 1024550), (100, 901604), (110, 819640), (124, 727100), (155, 581680), (176, 512275), (200, 450802), (220, 409820), (248, 363550), (275, 327856), (310, 290840), (341, 264400), (400, 225401), (440, 204910), (496, 181775), (550, 163928), (620, 145420), (661, 136400), (682, 132200), (775, 116336), (880, 102455), (1100, 81964), (1240, 72710), (1322, 68200), (1364, 66100), (1550, 58168), (1705, 52880), (2200, 40982), (2480, 36355), (2644, 34100), (2728, 33050), (3100, 29084), (3305, 27280), (3410, 26440), (4400, 20491), (5288, 17050), (5456, 16525), (6200, 14542), (6610, 13640), (6820, 13220), (7271, 12400), (8525, 10576)]