72240280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:441

約数の個数: 128

約数和(自身を含む): 201369600

約数和(自身を除く): 129129320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 95, 133, 140, 148, 152, 185, 190, 259, 266, 280, 296, 367, 370, 380, 518, 532, 665, 703, 734, 740, 760, 1036, 1064, 1295, 1330, 1406, 1468, 1480, 1835, 2072, 2569, 2590, 2660, 2812, 2936, 3515, 3670, 4921, 5138, 5180, 5320, 5624, 6973, 7030, 7340, 9842, 10276, 10360, 12845, 13579, 13946, 14060, 14680, 19684, 20552, 24605, 25690, 27158, 27892, 28120, 34865, 39368, 48811, 49210, 51380, 54316, 55784, 67895, 69730, 95053, 97622, 98420, 102760, 108632, 135790, 139460, 190106, 195244, 196840, 244055, 258001, 271580, 278920, 380212, 390488, 475265, 488110, 516002, 543160, 760424, 950530, 976220, 1032004, 1290005, 1806007, 1901060, 1952440, 2064008, 2580010, 3612014, 3802120, 5160020, 7224028, 9030035, 10320040, 14448056, 18060070, 36120140, 72240280]

約数ペア:

[(1, 72240280), (2, 36120140), (4, 18060070), (5, 14448056), (7, 10320040), (8, 9030035), (10, 7224028), (14, 5160020), (19, 3802120), (20, 3612014), (28, 2580010), (35, 2064008), (37, 1952440), (38, 1901060), (40, 1806007), (56, 1290005), (70, 1032004), (74, 976220), (76, 950530), (95, 760424), (133, 543160), (140, 516002), (148, 488110), (152, 475265), (185, 390488), (190, 380212), (259, 278920), (266, 271580), (280, 258001), (296, 244055), (367, 196840), (370, 195244), (380, 190106), (518, 139460), (532, 135790), (665, 108632), (703, 102760), (734, 98420), (740, 97622), (760, 95053), (1036, 69730), (1064, 67895), (1295, 55784), (1330, 54316), (1406, 51380), (1468, 49210), (1480, 48811), (1835, 39368), (2072, 34865), (2569, 28120), (2590, 27892), (2660, 27158), (2812, 25690), (2936, 24605), (3515, 20552), (3670, 19684), (4921, 14680), (5138, 14060), (5180, 13946), (5320, 13579), (5624, 12845), (6973, 10360), (7030, 10276), (7340, 9842)]