277777440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8387}}^1$

素因数の和:8431

約数の個数: 144

約数和(自身を含む): 989247168

約数和(自身を除く): 711469728

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, 2760, 3312, 3680, 4140, 5520, 6624, 8280, 8387, 11040, 16560, 16774, 25161, 33120, 33548, 41935, 50322, 67096, 75483, 83870, 100644, 125805, 134192, 150966, 167740, 192901, 201288, 251610, 268384, 301932, 335480, 377415, 385802, 402576, 503220, 578703, 603864, 670960, 754830, 771604, 805152, 964505, 1006440, 1157406, 1207728, 1341920, 1509660, 1543208, 1736109, 1929010, 2012880, 2314812, 2415456, 2893515, 3019320, 3086416, 3472218, 3858020, 4025760, 4629624, 5787030, 6038640, 6172832, 6944436, 7716040, 8680545, 9259248, 11574060, 12077280, 13888872, 15432080, 17361090, 18518496, 23148120, 27777744, 30864160, 34722180, 46296240, 55555488, 69444360, 92592480, 138888720, 277777440]

約数ペア:

[(1, 277777440), (2, 138888720), (3, 92592480), (4, 69444360), (5, 55555488), (6, 46296240), (8, 34722180), (9, 30864160), (10, 27777744), (12, 23148120), (15, 18518496), (16, 17361090), (18, 15432080), (20, 13888872), (23, 12077280), (24, 11574060), (30, 9259248), (32, 8680545), (36, 7716040), (40, 6944436), (45, 6172832), (46, 6038640), (48, 5787030), (60, 4629624), (69, 4025760), (72, 3858020), (80, 3472218), (90, 3086416), (92, 3019320), (96, 2893515), (115, 2415456), (120, 2314812), (138, 2012880), (144, 1929010), (160, 1736109), (180, 1543208), (184, 1509660), (207, 1341920), (230, 1207728), (240, 1157406), (276, 1006440), (288, 964505), (345, 805152), (360, 771604), (368, 754830), (414, 670960), (460, 603864), (480, 578703), (552, 503220), (690, 402576), (720, 385802), (736, 377415), (828, 335480), (920, 301932), (1035, 268384), (1104, 251610), (1380, 201288), (1440, 192901), (1656, 167740), (1840, 150966), (2070, 134192), (2208, 125805), (2760, 100644), (3312, 83870), (3680, 75483), (4140, 67096), (5520, 50322), (6624, 41935), (8280, 33548), (8387, 33120), (11040, 25161), (16560, 16774)]