81710100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 144

約数和(自身を含む): 268107840

約数和(自身を除く): 186397740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 53, 54, 60, 75, 90, 100, 106, 108, 135, 150, 159, 180, 212, 225, 265, 270, 300, 318, 450, 477, 530, 540, 571, 636, 675, 795, 900, 954, 1060, 1142, 1325, 1350, 1431, 1590, 1713, 1908, 2284, 2385, 2650, 2700, 2855, 2862, 3180, 3426, 3975, 4770, 5139, 5300, 5710, 5724, 6852, 7155, 7950, 8565, 9540, 10278, 11420, 11925, 14275, 14310, 15417, 15900, 17130, 20556, 23850, 25695, 28550, 28620, 30263, 30834, 34260, 35775, 42825, 47700, 51390, 57100, 60526, 61668, 71550, 77085, 85650, 90789, 102780, 121052, 128475, 143100, 151315, 154170, 171300, 181578, 256950, 272367, 302630, 308340, 363156, 385425, 453945, 513900, 544734, 605260, 756575, 770850, 817101, 907890, 1089468, 1361835, 1513150, 1541700, 1634202, 1815780, 2269725, 2723670, 3026300, 3268404, 4085505, 4539450, 5447340, 6809175, 8171010, 9078900, 13618350, 16342020, 20427525, 27236700, 40855050, 81710100]

約数ペア:

[(1, 81710100), (2, 40855050), (3, 27236700), (4, 20427525), (5, 16342020), (6, 13618350), (9, 9078900), (10, 8171010), (12, 6809175), (15, 5447340), (18, 4539450), (20, 4085505), (25, 3268404), (27, 3026300), (30, 2723670), (36, 2269725), (45, 1815780), (50, 1634202), (53, 1541700), (54, 1513150), (60, 1361835), (75, 1089468), (90, 907890), (100, 817101), (106, 770850), (108, 756575), (135, 605260), (150, 544734), (159, 513900), (180, 453945), (212, 385425), (225, 363156), (265, 308340), (270, 302630), (300, 272367), (318, 256950), (450, 181578), (477, 171300), (530, 154170), (540, 151315), (571, 143100), (636, 128475), (675, 121052), (795, 102780), (900, 90789), (954, 85650), (1060, 77085), (1142, 71550), (1325, 61668), (1350, 60526), (1431, 57100), (1590, 51390), (1713, 47700), (1908, 42825), (2284, 35775), (2385, 34260), (2650, 30834), (2700, 30263), (2855, 28620), (2862, 28550), (3180, 25695), (3426, 23850), (3975, 20556), (4770, 17130), (5139, 15900), (5300, 15417), (5710, 14310), (5724, 14275), (6852, 11925), (7155, 11420), (7950, 10278), (8565, 9540)]