72211920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1609}}^1$

素因数の和:1653

約数の個数: 160

約数和(自身を含む): 258733440

約数和(自身を除く): 186521520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 132, 136, 165, 170, 176, 187, 204, 220, 240, 255, 264, 272, 330, 340, 374, 408, 440, 510, 528, 561, 660, 680, 748, 816, 880, 935, 1020, 1122, 1320, 1360, 1496, 1609, 1870, 2040, 2244, 2640, 2805, 2992, 3218, 3740, 4080, 4488, 4827, 5610, 6436, 7480, 8045, 8976, 9654, 11220, 12872, 14960, 16090, 17699, 19308, 22440, 24135, 25744, 27353, 32180, 35398, 38616, 44880, 48270, 53097, 54706, 64360, 70796, 77232, 82059, 88495, 96540, 106194, 109412, 128720, 136765, 141592, 164118, 176990, 193080, 212388, 218824, 265485, 273530, 283184, 300883, 328236, 353980, 386160, 410295, 424776, 437648, 530970, 547060, 601766, 656472, 707960, 820590, 849552, 902649, 1061940, 1094120, 1203532, 1312944, 1415920, 1504415, 1641180, 1805298, 2123880, 2188240, 2407064, 3008830, 3282360, 3610596, 4247760, 4513245, 4814128, 6017660, 6564720, 7221192, 9026490, 12035320, 14442384, 18052980, 24070640, 36105960, 72211920]

約数ペア:

[(1, 72211920), (2, 36105960), (3, 24070640), (4, 18052980), (5, 14442384), (6, 12035320), (8, 9026490), (10, 7221192), (11, 6564720), (12, 6017660), (15, 4814128), (16, 4513245), (17, 4247760), (20, 3610596), (22, 3282360), (24, 3008830), (30, 2407064), (33, 2188240), (34, 2123880), (40, 1805298), (44, 1641180), (48, 1504415), (51, 1415920), (55, 1312944), (60, 1203532), (66, 1094120), (68, 1061940), (80, 902649), (85, 849552), (88, 820590), (102, 707960), (110, 656472), (120, 601766), (132, 547060), (136, 530970), (165, 437648), (170, 424776), (176, 410295), (187, 386160), (204, 353980), (220, 328236), (240, 300883), (255, 283184), (264, 273530), (272, 265485), (330, 218824), (340, 212388), (374, 193080), (408, 176990), (440, 164118), (510, 141592), (528, 136765), (561, 128720), (660, 109412), (680, 106194), (748, 96540), (816, 88495), (880, 82059), (935, 77232), (1020, 70796), (1122, 64360), (1320, 54706), (1360, 53097), (1496, 48270), (1609, 44880), (1870, 38616), (2040, 35398), (2244, 32180), (2640, 27353), (2805, 25744), (2992, 24135), (3218, 22440), (3740, 19308), (4080, 17699), (4488, 16090), (4827, 14960), (5610, 12872), (6436, 11220), (7480, 9654), (8045, 8976)]