31405080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^4\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 160

約数和(自身を含む): 110919600

約数和(自身を除く): 79514520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 109, 120, 140, 147, 168, 196, 210, 218, 245, 280, 294, 327, 343, 392, 420, 436, 490, 545, 588, 654, 686, 735, 763, 840, 872, 980, 1029, 1090, 1176, 1308, 1372, 1470, 1526, 1635, 1715, 1960, 2058, 2180, 2289, 2401, 2616, 2744, 2940, 3052, 3270, 3430, 3815, 4116, 4360, 4578, 4802, 5145, 5341, 5880, 6104, 6540, 6860, 7203, 7630, 8232, 9156, 9604, 10290, 10682, 11445, 12005, 13080, 13720, 14406, 15260, 16023, 18312, 19208, 20580, 21364, 22890, 24010, 26705, 28812, 30520, 32046, 36015, 37387, 41160, 42728, 45780, 48020, 53410, 57624, 64092, 72030, 74774, 80115, 91560, 96040, 106820, 112161, 128184, 144060, 149548, 160230, 186935, 213640, 224322, 261709, 288120, 299096, 320460, 373870, 448644, 523418, 560805, 640920, 747740, 785127, 897288, 1046836, 1121610, 1308545, 1495480, 1570254, 2093672, 2243220, 2617090, 3140508, 3925635, 4486440, 5234180, 6281016, 7851270, 10468360, 15702540, 31405080]

約数ペア:

[(1, 31405080), (2, 15702540), (3, 10468360), (4, 7851270), (5, 6281016), (6, 5234180), (7, 4486440), (8, 3925635), (10, 3140508), (12, 2617090), (14, 2243220), (15, 2093672), (20, 1570254), (21, 1495480), (24, 1308545), (28, 1121610), (30, 1046836), (35, 897288), (40, 785127), (42, 747740), (49, 640920), (56, 560805), (60, 523418), (70, 448644), (84, 373870), (98, 320460), (105, 299096), (109, 288120), (120, 261709), (140, 224322), (147, 213640), (168, 186935), (196, 160230), (210, 149548), (218, 144060), (245, 128184), (280, 112161), (294, 106820), (327, 96040), (343, 91560), (392, 80115), (420, 74774), (436, 72030), (490, 64092), (545, 57624), (588, 53410), (654, 48020), (686, 45780), (735, 42728), (763, 41160), (840, 37387), (872, 36015), (980, 32046), (1029, 30520), (1090, 28812), (1176, 26705), (1308, 24010), (1372, 22890), (1470, 21364), (1526, 20580), (1635, 19208), (1715, 18312), (1960, 16023), (2058, 15260), (2180, 14406), (2289, 13720), (2401, 13080), (2616, 12005), (2744, 11445), (2940, 10682), (3052, 10290), (3270, 9604), (3430, 9156), (3815, 8232), (4116, 7630), (4360, 7203), (4578, 6860), (4802, 6540), (5145, 6104), (5341, 5880)]