25717680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1595

約数の個数: 120

約数和(自身を含む): 90181728

約数和(自身を除く): 64464048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1553, 1656, 1840, 2070, 2760, 3106, 3312, 4140, 4659, 5520, 6212, 7765, 8280, 9318, 12424, 13977, 15530, 16560, 18636, 23295, 24848, 27954, 31060, 35719, 37272, 46590, 55908, 62120, 69885, 71438, 74544, 93180, 107157, 111816, 124240, 139770, 142876, 178595, 186360, 214314, 223632, 279540, 285752, 321471, 357190, 372720, 428628, 535785, 559080, 571504, 642942, 714380, 857256, 1071570, 1118160, 1285884, 1428760, 1607355, 1714512, 2143140, 2571768, 2857520, 3214710, 4286280, 5143536, 6429420, 8572560, 12858840, 25717680]

約数ペア:

[(1, 25717680), (2, 12858840), (3, 8572560), (4, 6429420), (5, 5143536), (6, 4286280), (8, 3214710), (9, 2857520), (10, 2571768), (12, 2143140), (15, 1714512), (16, 1607355), (18, 1428760), (20, 1285884), (23, 1118160), (24, 1071570), (30, 857256), (36, 714380), (40, 642942), (45, 571504), (46, 559080), (48, 535785), (60, 428628), (69, 372720), (72, 357190), (80, 321471), (90, 285752), (92, 279540), (115, 223632), (120, 214314), (138, 186360), (144, 178595), (180, 142876), (184, 139770), (207, 124240), (230, 111816), (240, 107157), (276, 93180), (345, 74544), (360, 71438), (368, 69885), (414, 62120), (460, 55908), (552, 46590), (690, 37272), (720, 35719), (828, 31060), (920, 27954), (1035, 24848), (1104, 23295), (1380, 18636), (1553, 16560), (1656, 15530), (1840, 13977), (2070, 12424), (2760, 9318), (3106, 8280), (3312, 7765), (4140, 6212), (4659, 5520)]