159571880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:595

約数の個数: 128

約数和(自身を含む): 420940800

約数和(自身を除く): 261368920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 521, 589, 620, 760, 806, 988, 1042, 1178, 1235, 1240, 1612, 1976, 2015, 2084, 2356, 2470, 2605, 2945, 3224, 4030, 4168, 4712, 4940, 5210, 5890, 6773, 7657, 8060, 9880, 9899, 10420, 11780, 13546, 15314, 16120, 16151, 19798, 20840, 23560, 27092, 30628, 32302, 33865, 38285, 39596, 49495, 54184, 61256, 64604, 67730, 76570, 79192, 80755, 98990, 128687, 129208, 135460, 153140, 161510, 197980, 209963, 257374, 270920, 306280, 306869, 323020, 395960, 419926, 514748, 613738, 643435, 646040, 839852, 1029496, 1049815, 1227476, 1286870, 1534345, 1679704, 2099630, 2454952, 2573740, 3068690, 3989297, 4199260, 5147480, 6137380, 7978594, 8398520, 12274760, 15957188, 19946485, 31914376, 39892970, 79785940, 159571880]

約数ペア:

[(1, 159571880), (2, 79785940), (4, 39892970), (5, 31914376), (8, 19946485), (10, 15957188), (13, 12274760), (19, 8398520), (20, 7978594), (26, 6137380), (31, 5147480), (38, 4199260), (40, 3989297), (52, 3068690), (62, 2573740), (65, 2454952), (76, 2099630), (95, 1679704), (104, 1534345), (124, 1286870), (130, 1227476), (152, 1049815), (155, 1029496), (190, 839852), (247, 646040), (248, 643435), (260, 613738), (310, 514748), (380, 419926), (403, 395960), (494, 323020), (520, 306869), (521, 306280), (589, 270920), (620, 257374), (760, 209963), (806, 197980), (988, 161510), (1042, 153140), (1178, 135460), (1235, 129208), (1240, 128687), (1612, 98990), (1976, 80755), (2015, 79192), (2084, 76570), (2356, 67730), (2470, 64604), (2605, 61256), (2945, 54184), (3224, 49495), (4030, 39596), (4168, 38285), (4712, 33865), (4940, 32302), (5210, 30628), (5890, 27092), (6773, 23560), (7657, 20840), (8060, 19798), (9880, 16151), (9899, 16120), (10420, 15314), (11780, 13546)]