28449840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:419

約数の個数: 160

約数和(自身を含む): 98565120

約数和(自身を除く): 70115280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 367, 380, 408, 456, 510, 570, 646, 680, 734, 760, 816, 912, 969, 1020, 1101, 1140, 1292, 1360, 1468, 1520, 1615, 1835, 1938, 2040, 2202, 2280, 2584, 2936, 3230, 3670, 3876, 4080, 4404, 4560, 4845, 5168, 5505, 5872, 6239, 6460, 6973, 7340, 7752, 8808, 9690, 11010, 12478, 12920, 13946, 14680, 15504, 17616, 18717, 19380, 20919, 22020, 24956, 25840, 27892, 29360, 31195, 34865, 37434, 38760, 41838, 44040, 49912, 55784, 62390, 69730, 74868, 77520, 83676, 88080, 93585, 99824, 104595, 111568, 118541, 124780, 139460, 149736, 167352, 187170, 209190, 237082, 249560, 278920, 299472, 334704, 355623, 374340, 418380, 474164, 499120, 557840, 592705, 711246, 748680, 836760, 948328, 1185410, 1422492, 1497360, 1673520, 1778115, 1896656, 2370820, 2844984, 3556230, 4741640, 5689968, 7112460, 9483280, 14224920, 28449840]

約数ペア:

[(1, 28449840), (2, 14224920), (3, 9483280), (4, 7112460), (5, 5689968), (6, 4741640), (8, 3556230), (10, 2844984), (12, 2370820), (15, 1896656), (16, 1778115), (17, 1673520), (19, 1497360), (20, 1422492), (24, 1185410), (30, 948328), (34, 836760), (38, 748680), (40, 711246), (48, 592705), (51, 557840), (57, 499120), (60, 474164), (68, 418380), (76, 374340), (80, 355623), (85, 334704), (95, 299472), (102, 278920), (114, 249560), (120, 237082), (136, 209190), (152, 187170), (170, 167352), (190, 149736), (204, 139460), (228, 124780), (240, 118541), (255, 111568), (272, 104595), (285, 99824), (304, 93585), (323, 88080), (340, 83676), (367, 77520), (380, 74868), (408, 69730), (456, 62390), (510, 55784), (570, 49912), (646, 44040), (680, 41838), (734, 38760), (760, 37434), (816, 34865), (912, 31195), (969, 29360), (1020, 27892), (1101, 25840), (1140, 24956), (1292, 22020), (1360, 20919), (1468, 19380), (1520, 18717), (1615, 17616), (1835, 15504), (1938, 14680), (2040, 13946), (2202, 12920), (2280, 12478), (2584, 11010), (2936, 9690), (3230, 8808), (3670, 7752), (3876, 7340), (4080, 6973), (4404, 6460), (4560, 6239), (4845, 5872), (5168, 5505)]