28875060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8443}}^1$

素因数の和:8477

約数の個数: 72

約数和(自身を含む): 92208480

約数和(自身を除く): 63333420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8443, 16886, 25329, 33772, 42215, 50658, 75987, 84430, 101316, 126645, 151974, 160417, 168860, 253290, 303948, 320834, 379935, 481251, 506580, 641668, 759870, 802085, 962502, 1443753, 1519740, 1604170, 1925004, 2406255, 2887506, 3208340, 4812510, 5775012, 7218765, 9625020, 14437530, 28875060]

約数ペア:

[(1, 28875060), (2, 14437530), (3, 9625020), (4, 7218765), (5, 5775012), (6, 4812510), (9, 3208340), (10, 2887506), (12, 2406255), (15, 1925004), (18, 1604170), (19, 1519740), (20, 1443753), (30, 962502), (36, 802085), (38, 759870), (45, 641668), (57, 506580), (60, 481251), (76, 379935), (90, 320834), (95, 303948), (114, 253290), (171, 168860), (180, 160417), (190, 151974), (228, 126645), (285, 101316), (342, 84430), (380, 75987), (570, 50658), (684, 42215), (855, 33772), (1140, 25329), (1710, 16886), (3420, 8443)]