251355615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 128

約数和(自身を含む): 514805760

約数和(自身を除く): 263450145

約数列:

[1, 3, 5, 7, 15, 21, 23, 29, 35, 37, 69, 87, 97, 105, 111, 115, 145, 161, 185, 203, 259, 291, 345, 435, 483, 485, 555, 609, 667, 679, 777, 805, 851, 1015, 1073, 1295, 1455, 2001, 2037, 2231, 2415, 2553, 2813, 3045, 3219, 3335, 3395, 3589, 3885, 4255, 4669, 5365, 5957, 6693, 7511, 8439, 10005, 10185, 10767, 11155, 12765, 14007, 14065, 15617, 16095, 17871, 17945, 19691, 22533, 23345, 24679, 25123, 29785, 33465, 37555, 42195, 46851, 53835, 59073, 64699, 70035, 74037, 75369, 78085, 82547, 89355, 98455, 104081, 112665, 123395, 125615, 172753, 194097, 234255, 247641, 295365, 312243, 323495, 370185, 376845, 412735, 452893, 518259, 520405, 577829, 728567, 863765, 970485, 1238205, 1358679, 1561215, 1733487, 2185701, 2264465, 2393863, 2591295, 2889145, 3642835, 6793395, 7181589, 8667435, 10928505, 11969315, 16757041, 35907945, 50271123, 83785205, 251355615]

約数ペア:

[(1, 251355615), (3, 83785205), (5, 50271123), (7, 35907945), (15, 16757041), (21, 11969315), (23, 10928505), (29, 8667435), (35, 7181589), (37, 6793395), (69, 3642835), (87, 2889145), (97, 2591295), (105, 2393863), (111, 2264465), (115, 2185701), (145, 1733487), (161, 1561215), (185, 1358679), (203, 1238205), (259, 970485), (291, 863765), (345, 728567), (435, 577829), (483, 520405), (485, 518259), (555, 452893), (609, 412735), (667, 376845), (679, 370185), (777, 323495), (805, 312243), (851, 295365), (1015, 247641), (1073, 234255), (1295, 194097), (1455, 172753), (2001, 125615), (2037, 123395), (2231, 112665), (2415, 104081), (2553, 98455), (2813, 89355), (3045, 82547), (3219, 78085), (3335, 75369), (3395, 74037), (3589, 70035), (3885, 64699), (4255, 59073), (4669, 53835), (5365, 46851), (5957, 42195), (6693, 37555), (7511, 33465), (8439, 29785), (10005, 25123), (10185, 24679), (10767, 23345), (11155, 22533), (12765, 19691), (14007, 17945), (14065, 17871), (15617, 16095)]