145639760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:781

約数の個数: 120

約数和(自身を含む): 401900616

約数和(自身を除く): 256260856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 53, 56, 70, 80, 98, 106, 112, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 560, 701, 742, 784, 848, 980, 1060, 1402, 1484, 1855, 1960, 2120, 2597, 2804, 2968, 3505, 3710, 3920, 4240, 4907, 5194, 5608, 5936, 7010, 7420, 9814, 10388, 11216, 12985, 14020, 14840, 19628, 20776, 24535, 25970, 28040, 29680, 34349, 37153, 39256, 41552, 49070, 51940, 56080, 68698, 74306, 78512, 98140, 103880, 137396, 148612, 171745, 185765, 196280, 207760, 260071, 274792, 297224, 343490, 371530, 392560, 520142, 549584, 594448, 686980, 743060, 1040284, 1300355, 1373960, 1486120, 1820497, 2080568, 2600710, 2747920, 2972240, 3640994, 4161136, 5201420, 7281988, 9102485, 10402840, 14563976, 18204970, 20805680, 29127952, 36409940, 72819880, 145639760]

約数ペア:

[(1, 145639760), (2, 72819880), (4, 36409940), (5, 29127952), (7, 20805680), (8, 18204970), (10, 14563976), (14, 10402840), (16, 9102485), (20, 7281988), (28, 5201420), (35, 4161136), (40, 3640994), (49, 2972240), (53, 2747920), (56, 2600710), (70, 2080568), (80, 1820497), (98, 1486120), (106, 1373960), (112, 1300355), (140, 1040284), (196, 743060), (212, 686980), (245, 594448), (265, 549584), (280, 520142), (371, 392560), (392, 371530), (424, 343490), (490, 297224), (530, 274792), (560, 260071), (701, 207760), (742, 196280), (784, 185765), (848, 171745), (980, 148612), (1060, 137396), (1402, 103880), (1484, 98140), (1855, 78512), (1960, 74306), (2120, 68698), (2597, 56080), (2804, 51940), (2968, 49070), (3505, 41552), (3710, 39256), (3920, 37153), (4240, 34349), (4907, 29680), (5194, 28040), (5608, 25970), (5936, 24535), (7010, 20776), (7420, 19628), (9814, 14840), (10388, 14020), (11216, 12985)]