72168660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5647}}^1$

素因数の和:5733

約数の個数: 72

約数和(自身を含む): 222034176

約数和(自身を除く): 149865516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5647, 6390, 11294, 12780, 16941, 22588, 28235, 33882, 50823, 56470, 67764, 84705, 101646, 112940, 169410, 203292, 254115, 338820, 400937, 508230, 801874, 1016460, 1202811, 1603748, 2004685, 2405622, 3608433, 4009370, 4811244, 6014055, 7216866, 8018740, 12028110, 14433732, 18042165, 24056220, 36084330, 72168660]

約数ペア:

[(1, 72168660), (2, 36084330), (3, 24056220), (4, 18042165), (5, 14433732), (6, 12028110), (9, 8018740), (10, 7216866), (12, 6014055), (15, 4811244), (18, 4009370), (20, 3608433), (30, 2405622), (36, 2004685), (45, 1603748), (60, 1202811), (71, 1016460), (90, 801874), (142, 508230), (180, 400937), (213, 338820), (284, 254115), (355, 203292), (426, 169410), (639, 112940), (710, 101646), (852, 84705), (1065, 67764), (1278, 56470), (1420, 50823), (2130, 33882), (2556, 28235), (3195, 22588), (4260, 16941), (5647, 12780), (6390, 11294)]