280871280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7649}}^1$

素因数の和:7688

約数の個数: 160

約数和(自身を含む): 1024488000

約数和(自身を除く): 743616720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2295, 2448, 3060, 3672, 4080, 4590, 6120, 7344, 7649, 9180, 12240, 15298, 18360, 22947, 30596, 36720, 38245, 45894, 61192, 68841, 76490, 91788, 114735, 122384, 130033, 137682, 152980, 183576, 206523, 229470, 260066, 275364, 305960, 344205, 367152, 390099, 413046, 458940, 520132, 550728, 611920, 650165, 688410, 780198, 826092, 917880, 1032615, 1040264, 1101456, 1170297, 1300330, 1376820, 1560396, 1652184, 1835760, 1950495, 2065230, 2080528, 2340594, 2600660, 2753640, 3120792, 3304368, 3510891, 3900990, 4130460, 4681188, 5201320, 5507280, 5851485, 6241584, 7021782, 7801980, 8260920, 9362376, 10402640, 11702970, 14043564, 15603960, 16521840, 17554455, 18724752, 23405940, 28087128, 31207920, 35108910, 46811880, 56174256, 70217820, 93623760, 140435640, 280871280]

約数ペア:

[(1, 280871280), (2, 140435640), (3, 93623760), (4, 70217820), (5, 56174256), (6, 46811880), (8, 35108910), (9, 31207920), (10, 28087128), (12, 23405940), (15, 18724752), (16, 17554455), (17, 16521840), (18, 15603960), (20, 14043564), (24, 11702970), (27, 10402640), (30, 9362376), (34, 8260920), (36, 7801980), (40, 7021782), (45, 6241584), (48, 5851485), (51, 5507280), (54, 5201320), (60, 4681188), (68, 4130460), (72, 3900990), (80, 3510891), (85, 3304368), (90, 3120792), (102, 2753640), (108, 2600660), (120, 2340594), (135, 2080528), (136, 2065230), (144, 1950495), (153, 1835760), (170, 1652184), (180, 1560396), (204, 1376820), (216, 1300330), (240, 1170297), (255, 1101456), (270, 1040264), (272, 1032615), (306, 917880), (340, 826092), (360, 780198), (408, 688410), (432, 650165), (459, 611920), (510, 550728), (540, 520132), (612, 458940), (680, 413046), (720, 390099), (765, 367152), (816, 344205), (918, 305960), (1020, 275364), (1080, 260066), (1224, 229470), (1360, 206523), (1530, 183576), (1836, 152980), (2040, 137682), (2160, 130033), (2295, 122384), (2448, 114735), (3060, 91788), (3672, 76490), (4080, 68841), (4590, 61192), (6120, 45894), (7344, 38245), (7649, 36720), (9180, 30596), (12240, 22947), (15298, 18360)]