778515120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56909}}^1$

素因数の和:56947

約数の個数: 120

約数和(自身を含む): 2752167600

約数和(自身を除く): 1973652480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 56909, 113818, 170727, 227636, 284545, 341454, 455272, 512181, 569090, 682908, 853635, 910544, 1024362, 1081271, 1138180, 1365816, 1707270, 2048724, 2162542, 2276360, 2560905, 2731632, 3243813, 3414540, 4097448, 4325084, 4552720, 5121810, 5406355, 6487626, 6829080, 8194896, 8650168, 9731439, 10243620, 10812710, 12975252, 13658160, 16219065, 17300336, 19462878, 20487240, 21625420, 25950504, 32438130, 38925756, 40974480, 43250840, 48657195, 51901008, 64876260, 77851512, 86501680, 97314390, 129752520, 155703024, 194628780, 259505040, 389257560, 778515120]

約数ペア:

[(1, 778515120), (2, 389257560), (3, 259505040), (4, 194628780), (5, 155703024), (6, 129752520), (8, 97314390), (9, 86501680), (10, 77851512), (12, 64876260), (15, 51901008), (16, 48657195), (18, 43250840), (19, 40974480), (20, 38925756), (24, 32438130), (30, 25950504), (36, 21625420), (38, 20487240), (40, 19462878), (45, 17300336), (48, 16219065), (57, 13658160), (60, 12975252), (72, 10812710), (76, 10243620), (80, 9731439), (90, 8650168), (95, 8194896), (114, 6829080), (120, 6487626), (144, 5406355), (152, 5121810), (171, 4552720), (180, 4325084), (190, 4097448), (228, 3414540), (240, 3243813), (285, 2731632), (304, 2560905), (342, 2276360), (360, 2162542), (380, 2048724), (456, 1707270), (570, 1365816), (684, 1138180), (720, 1081271), (760, 1024362), (855, 910544), (912, 853635), (1140, 682908), (1368, 569090), (1520, 512181), (1710, 455272), (2280, 341454), (2736, 284545), (3420, 227636), (4560, 170727), (6840, 113818), (13680, 56909)]