678186675

素因数分解:

$3^4\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 1312549920

約数和(自身を除く): 634363245

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 71, 75, 81, 89, 135, 159, 213, 225, 265, 267, 355, 405, 445, 477, 639, 675, 795, 801, 1065, 1325, 1335, 1431, 1775, 1917, 2025, 2225, 2385, 2403, 3195, 3763, 3975, 4005, 4293, 4717, 5325, 5751, 6319, 6675, 7155, 7209, 9585, 11289, 11925, 12015, 14151, 15975, 18815, 18957, 20025, 21465, 23585, 28755, 31595, 33867, 35775, 36045, 42453, 47925, 56445, 56871, 60075, 70755, 94075, 94785, 101601, 107325, 117925, 127359, 143775, 157975, 169335, 170613, 180225, 212265, 282225, 284355, 304803, 334907, 353775, 382077, 473925, 508005, 511839, 636795, 846675, 853065, 1004721, 1061325, 1421775, 1524015, 1674535, 1910385, 2540025, 2559195, 3014163, 3183975, 4265325, 5023605, 7620075, 8372675, 9042489, 9551925, 12795975, 15070815, 25118025, 27127467, 45212445, 75354075, 135637335, 226062225, 678186675]

約数ペア:

[(1, 678186675), (3, 226062225), (5, 135637335), (9, 75354075), (15, 45212445), (25, 27127467), (27, 25118025), (45, 15070815), (53, 12795975), (71, 9551925), (75, 9042489), (81, 8372675), (89, 7620075), (135, 5023605), (159, 4265325), (213, 3183975), (225, 3014163), (265, 2559195), (267, 2540025), (355, 1910385), (405, 1674535), (445, 1524015), (477, 1421775), (639, 1061325), (675, 1004721), (795, 853065), (801, 846675), (1065, 636795), (1325, 511839), (1335, 508005), (1431, 473925), (1775, 382077), (1917, 353775), (2025, 334907), (2225, 304803), (2385, 284355), (2403, 282225), (3195, 212265), (3763, 180225), (3975, 170613), (4005, 169335), (4293, 157975), (4717, 143775), (5325, 127359), (5751, 117925), (6319, 107325), (6675, 101601), (7155, 94785), (7209, 94075), (9585, 70755), (11289, 60075), (11925, 56871), (12015, 56445), (14151, 47925), (15975, 42453), (18815, 36045), (18957, 35775), (20025, 33867), (21465, 31595), (23585, 28755)]