28461840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10781}}^1$

素因数の和:10808

約数の個数: 80

約数和(自身を含む): 96261696

約数和(自身を除く): 67799856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 10781, 21562, 32343, 43124, 53905, 64686, 86248, 107810, 118591, 129372, 161715, 172496, 215620, 237182, 258744, 323430, 355773, 431240, 474364, 517488, 592955, 646860, 711546, 862480, 948728, 1185910, 1293720, 1423092, 1778865, 1897456, 2371820, 2587440, 2846184, 3557730, 4743640, 5692368, 7115460, 9487280, 14230920, 28461840]

約数ペア:

[(1, 28461840), (2, 14230920), (3, 9487280), (4, 7115460), (5, 5692368), (6, 4743640), (8, 3557730), (10, 2846184), (11, 2587440), (12, 2371820), (15, 1897456), (16, 1778865), (20, 1423092), (22, 1293720), (24, 1185910), (30, 948728), (33, 862480), (40, 711546), (44, 646860), (48, 592955), (55, 517488), (60, 474364), (66, 431240), (80, 355773), (88, 323430), (110, 258744), (120, 237182), (132, 215620), (165, 172496), (176, 161715), (220, 129372), (240, 118591), (264, 107810), (330, 86248), (440, 64686), (528, 53905), (660, 43124), (880, 32343), (1320, 21562), (2640, 10781)]