81161550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 230329008

約数和(自身を除く): 149167458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 41, 45, 50, 53, 75, 82, 83, 90, 106, 123, 150, 159, 166, 205, 225, 246, 249, 265, 318, 369, 410, 415, 450, 477, 498, 530, 615, 738, 747, 795, 830, 954, 1025, 1230, 1245, 1325, 1494, 1590, 1845, 2050, 2075, 2173, 2385, 2490, 2650, 3075, 3403, 3690, 3735, 3975, 4150, 4346, 4399, 4770, 6150, 6225, 6519, 6806, 7470, 7950, 8798, 9225, 10209, 10865, 11925, 12450, 13038, 13197, 17015, 18450, 18675, 19557, 20418, 21730, 21995, 23850, 26394, 30627, 32595, 34030, 37350, 39114, 39591, 43990, 51045, 54325, 61254, 65190, 65985, 79182, 85075, 97785, 102090, 108650, 109975, 131970, 153135, 162975, 170150, 180359, 195570, 197955, 219950, 255225, 306270, 325950, 329925, 360718, 395910, 488925, 510450, 541077, 659850, 765675, 901795, 977850, 989775, 1082154, 1531350, 1623231, 1803590, 1979550, 2705385, 3246462, 4508975, 5410770, 8116155, 9017950, 13526925, 16232310, 27053850, 40580775, 81161550]

約数ペア:

[(1, 81161550), (2, 40580775), (3, 27053850), (5, 16232310), (6, 13526925), (9, 9017950), (10, 8116155), (15, 5410770), (18, 4508975), (25, 3246462), (30, 2705385), (41, 1979550), (45, 1803590), (50, 1623231), (53, 1531350), (75, 1082154), (82, 989775), (83, 977850), (90, 901795), (106, 765675), (123, 659850), (150, 541077), (159, 510450), (166, 488925), (205, 395910), (225, 360718), (246, 329925), (249, 325950), (265, 306270), (318, 255225), (369, 219950), (410, 197955), (415, 195570), (450, 180359), (477, 170150), (498, 162975), (530, 153135), (615, 131970), (738, 109975), (747, 108650), (795, 102090), (830, 97785), (954, 85075), (1025, 79182), (1230, 65985), (1245, 65190), (1325, 61254), (1494, 54325), (1590, 51045), (1845, 43990), (2050, 39591), (2075, 39114), (2173, 37350), (2385, 34030), (2490, 32595), (2650, 30627), (3075, 26394), (3403, 23850), (3690, 21995), (3735, 21730), (3975, 20418), (4150, 19557), (4346, 18675), (4399, 18450), (4770, 17015), (6150, 13197), (6225, 13038), (6519, 12450), (6806, 11925), (7470, 10865), (7950, 10209), (8798, 9225)]