72989440

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:597

約数の個数: 72

約数和(自身を含む): 176601600

約数和(自身を除く): 103612160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 449, 508, 635, 640, 898, 1016, 1270, 1280, 1796, 2032, 2245, 2540, 3592, 4064, 4490, 5080, 7184, 8128, 8980, 10160, 14368, 16256, 17960, 20320, 28736, 32512, 35920, 40640, 57023, 57472, 71840, 81280, 114046, 114944, 143680, 162560, 228092, 285115, 287360, 456184, 570230, 574720, 912368, 1140460, 1824736, 2280920, 3649472, 4561840, 7298944, 9123680, 14597888, 18247360, 36494720, 72989440]

約数ペア:

[(1, 72989440), (2, 36494720), (4, 18247360), (5, 14597888), (8, 9123680), (10, 7298944), (16, 4561840), (20, 3649472), (32, 2280920), (40, 1824736), (64, 1140460), (80, 912368), (127, 574720), (128, 570230), (160, 456184), (254, 287360), (256, 285115), (320, 228092), (449, 162560), (508, 143680), (635, 114944), (640, 114046), (898, 81280), (1016, 71840), (1270, 57472), (1280, 57023), (1796, 40640), (2032, 35920), (2245, 32512), (2540, 28736), (3592, 20320), (4064, 17960), (4490, 16256), (5080, 14368), (7184, 10160), (8128, 8980)]