78347640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4909}}^1$

素因数の和:4949

約数の個数: 128

約数和(自身を含む): 282816000

約数和(自身を除く): 204468360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 4909, 5320, 7980, 9818, 14727, 15960, 19636, 24545, 29454, 34363, 39272, 49090, 58908, 68726, 73635, 93271, 98180, 103089, 117816, 137452, 147270, 171815, 186542, 196360, 206178, 274904, 279813, 294540, 343630, 373084, 412356, 466355, 515445, 559626, 589080, 652897, 687260, 746168, 824712, 932710, 1030890, 1119252, 1305794, 1374520, 1399065, 1865420, 1958691, 2061780, 2238504, 2611588, 2798130, 3264485, 3730840, 3917382, 4123560, 5223176, 5596260, 6528970, 7834764, 9793455, 11192520, 13057940, 15669528, 19586910, 26115880, 39173820, 78347640]

約数ペア:

[(1, 78347640), (2, 39173820), (3, 26115880), (4, 19586910), (5, 15669528), (6, 13057940), (7, 11192520), (8, 9793455), (10, 7834764), (12, 6528970), (14, 5596260), (15, 5223176), (19, 4123560), (20, 3917382), (21, 3730840), (24, 3264485), (28, 2798130), (30, 2611588), (35, 2238504), (38, 2061780), (40, 1958691), (42, 1865420), (56, 1399065), (57, 1374520), (60, 1305794), (70, 1119252), (76, 1030890), (84, 932710), (95, 824712), (105, 746168), (114, 687260), (120, 652897), (133, 589080), (140, 559626), (152, 515445), (168, 466355), (190, 412356), (210, 373084), (228, 343630), (266, 294540), (280, 279813), (285, 274904), (380, 206178), (399, 196360), (420, 186542), (456, 171815), (532, 147270), (570, 137452), (665, 117816), (760, 103089), (798, 98180), (840, 93271), (1064, 73635), (1140, 68726), (1330, 58908), (1596, 49090), (1995, 39272), (2280, 34363), (2660, 29454), (3192, 24545), (3990, 19636), (4909, 15960), (5320, 14727), (7980, 9818)]