90450720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2775

約数の個数: 144

約数和(自身を含む): 322201152

約数和(自身を除く): 231750432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2731, 2760, 3312, 3680, 4140, 5462, 5520, 6624, 8193, 8280, 10924, 11040, 13655, 16386, 16560, 21848, 24579, 27310, 32772, 33120, 40965, 43696, 49158, 54620, 62813, 65544, 81930, 87392, 98316, 109240, 122895, 125626, 131088, 163860, 188439, 196632, 218480, 245790, 251252, 262176, 314065, 327720, 376878, 393264, 436960, 491580, 502504, 565317, 628130, 655440, 753756, 786528, 942195, 983160, 1005008, 1130634, 1256260, 1310880, 1507512, 1884390, 1966320, 2010016, 2261268, 2512520, 2826585, 3015024, 3768780, 3932640, 4522536, 5025040, 5653170, 6030048, 7537560, 9045072, 10050080, 11306340, 15075120, 18090144, 22612680, 30150240, 45225360, 90450720]

約数ペア:

[(1, 90450720), (2, 45225360), (3, 30150240), (4, 22612680), (5, 18090144), (6, 15075120), (8, 11306340), (9, 10050080), (10, 9045072), (12, 7537560), (15, 6030048), (16, 5653170), (18, 5025040), (20, 4522536), (23, 3932640), (24, 3768780), (30, 3015024), (32, 2826585), (36, 2512520), (40, 2261268), (45, 2010016), (46, 1966320), (48, 1884390), (60, 1507512), (69, 1310880), (72, 1256260), (80, 1130634), (90, 1005008), (92, 983160), (96, 942195), (115, 786528), (120, 753756), (138, 655440), (144, 628130), (160, 565317), (180, 502504), (184, 491580), (207, 436960), (230, 393264), (240, 376878), (276, 327720), (288, 314065), (345, 262176), (360, 251252), (368, 245790), (414, 218480), (460, 196632), (480, 188439), (552, 163860), (690, 131088), (720, 125626), (736, 122895), (828, 109240), (920, 98316), (1035, 87392), (1104, 81930), (1380, 65544), (1440, 62813), (1656, 54620), (1840, 49158), (2070, 43696), (2208, 40965), (2731, 33120), (2760, 32772), (3312, 27310), (3680, 24579), (4140, 21848), (5462, 16560), (5520, 16386), (6624, 13655), (8193, 11040), (8280, 10924)]