398400480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{523}}^1$

素因数の和:590

約数の個数: 216

約数和(自身を含む): 1423939608

約数和(自身を除く): 1025539128

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, 523, 529, 552, 690, 720, 736, 828, 920, 1035, 1046, 1058, 1104, 1380, 1440, 1569, 1587, 1656, 1840, 2070, 2092, 2116, 2208, 2615, 2645, 2760, 3138, 3174, 3312, 3680, 4140, 4184, 4232, 4707, 4761, 5230, 5290, 5520, 6276, 6348, 6624, 7845, 7935, 8280, 8368, 8464, 9414, 9522, 10460, 10580, 11040, 12029, 12552, 12696, 15690, 15870, 16560, 16736, 16928, 18828, 19044, 20920, 21160, 23535, 23805, 24058, 25104, 25392, 31380, 31740, 33120, 36087, 37656, 38088, 41840, 42320, 47070, 47610, 48116, 50208, 50784, 60145, 62760, 63480, 72174, 75312, 76176, 83680, 84640, 94140, 95220, 96232, 108261, 120290, 125520, 126960, 144348, 150624, 152352, 180435, 188280, 190440, 192464, 216522, 240580, 251040, 253920, 276667, 288696, 360870, 376560, 380880, 384928, 433044, 481160, 541305, 553334, 577392, 721740, 753120, 761760, 830001, 866088, 962320, 1082610, 1106668, 1154784, 1383335, 1443480, 1660002, 1732176, 1924640, 2165220, 2213336, 2490003, 2766670, 2886960, 3320004, 3464352, 4150005, 4330440, 4426672, 4980006, 5533340, 5773920, 6640008, 8300010, 8660880, 8853344, 9960012, 11066680, 12450015, 13280016, 16600020, 17321760, 19920024, 22133360, 24900030, 26560032, 33200040, 39840048, 44266720, 49800060, 66400080, 79680096, 99600120, 132800160, 199200240, 398400480]

約数ペア:

[(1, 398400480), (2, 199200240), (3, 132800160), (4, 99600120), (5, 79680096), (6, 66400080), (8, 49800060), (9, 44266720), (10, 39840048), (12, 33200040), (15, 26560032), (16, 24900030), (18, 22133360), (20, 19920024), (23, 17321760), (24, 16600020), (30, 13280016), (32, 12450015), (36, 11066680), (40, 9960012), (45, 8853344), (46, 8660880), (48, 8300010), (60, 6640008), (69, 5773920), (72, 5533340), (80, 4980006), (90, 4426672), (92, 4330440), (96, 4150005), (115, 3464352), (120, 3320004), (138, 2886960), (144, 2766670), (160, 2490003), (180, 2213336), (184, 2165220), (207, 1924640), (230, 1732176), (240, 1660002), (276, 1443480), (288, 1383335), (345, 1154784), (360, 1106668), (368, 1082610), (414, 962320), (460, 866088), (480, 830001), (523, 761760), (529, 753120), (552, 721740), (690, 577392), (720, 553334), (736, 541305), (828, 481160), (920, 433044), (1035, 384928), (1046, 380880), (1058, 376560), (1104, 360870), (1380, 288696), (1440, 276667), (1569, 253920), (1587, 251040), (1656, 240580), (1840, 216522), (2070, 192464), (2092, 190440), (2116, 188280), (2208, 180435), (2615, 152352), (2645, 150624), (2760, 144348), (3138, 126960), (3174, 125520), (3312, 120290), (3680, 108261), (4140, 96232), (4184, 95220), (4232, 94140), (4707, 84640), (4761, 83680), (5230, 76176), (5290, 75312), (5520, 72174), (6276, 63480), (6348, 62760), (6624, 60145), (7845, 50784), (7935, 50208), (8280, 48116), (8368, 47610), (8464, 47070), (9414, 42320), (9522, 41840), (10460, 38088), (10580, 37656), (11040, 36087), (12029, 33120), (12552, 31740), (12696, 31380), (15690, 25392), (15870, 25104), (16560, 24058), (16736, 23805), (16928, 23535), (18828, 21160), (19044, 20920)]